Как изменить path через командную строку - Исправление ошибок и поиск оптимальных решений проблем

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A simple guide to adding a directory to the Windows 10/11 path variable

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Windows 7–11

Windows XP

Warnings

The PATH environment variable specifies in which directories the Windows command line looks for executable binaries. The process for changing it is not obvious, but it’s not too hard. Read on to learn how to change PATH.

Things You Should Know

Adding a directory to your path makes it possible to run programs from the command line without typing the full path.
To access your path settings, open Settings, type «path,» then click «Edit the System Environment Details.»
While adding directories to the path is simple, don’t remove any existing path directories.

1

Open the «settings» application. This can be done by pressing the Windows key and clicking the gear icon in the «Start» menu. You can also search «settings» in Cortana or in the «Start» menu.
2

Search «path» in the settings menu.

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3

Select Edit the System Environment Details. This option should be below Show Full Path in Title Bar and above Edit the Environment Details for your Account. A menu titled «System Properties» should pop up.
4

Click Environment Variables. This should be on the right-hand side of the menu below the Startup and Recovery section.
5

Select Path. You should not have to scroll down to find this option. It is in between two options titled OS and PATHEXT.
6

Click Edit, and proceed to edit the PATH environment variable.

Warning! Unless you want to potentially destroy your PC’s system, DO NOT edit this variable unless you know what you’re doing.
7

Select OK once you’re done editing. This will save any changes you may have made.

1

Create a shortcut to «My Computer». Click on «Start», mouse over «My Computer», right-click on it, and select «Show on Desktop».
2

Right-click on the shortcut and select Properties. A window will open.
3

Switch to the Advanced tab. In that tab, click on Environment Variables. Another window will open.
4

Scroll down until you see «Path». Select it and click on Edit. A third window will open.
5

Edit the PATH environment variable. Unless you really know what you’re doing, don’t remove what’s already there, only append to it. For example, you could add another directory by appending: ;C:pathtodirectory, with «pathtodirectory» being the actual path to the directory.
6

Click on OK. When the window closes, there should be a short delay because the environment variable is being updated. After that, you can press OK to close the other two windows, too.
7

Check that the environment variable changed. Open the command line by pressing ⊞ Win+R, entering cmd, and pressing ↵ Enter. Type: echo %PATH%. The output should be your updated PATH environment variable.

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Changing the PATH environment variable wrongly can cause your system to stop working correctly. You should have a basic understanding of what you’re doing before changing PATH.

About This Article

Thanks to all authors for creating a page that has been read 35,541 times.

Is this article up to date?

Источник

Download Article

A simple guide to adding a directory to the Windows 10/11 path variable

Download Article

Windows 7–11

Windows XP

Warnings

Things You Should Know

Adding a directory to your path makes it possible to run programs from the command line without typing the full path.
To access your path settings, open Settings, type «path,» then click «Edit the System Environment Details.»
While adding directories to the path is simple, don’t remove any existing path directories.

1

Open the «settings» application. This can be done by pressing the Windows key and clicking the gear icon in the «Start» menu. You can also search «settings» in Cortana or in the «Start» menu.
2

Search «path» in the settings menu.

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3

Select Edit the System Environment Details. This option should be below Show Full Path in Title Bar and above Edit the Environment Details for your Account. A menu titled «System Properties» should pop up.
4

Click Environment Variables. This should be on the right-hand side of the menu below the Startup and Recovery section.
5

Select Path. You should not have to scroll down to find this option. It is in between two options titled OS and PATHEXT.
6

Click Edit, and proceed to edit the PATH environment variable.

Warning! Unless you want to potentially destroy your PC’s system, DO NOT edit this variable unless you know what you’re doing.
7

Select OK once you’re done editing. This will save any changes you may have made.

1

Create a shortcut to «My Computer». Click on «Start», mouse over «My Computer», right-click on it, and select «Show on Desktop».
2

Right-click on the shortcut and select Properties. A window will open.
3

Switch to the Advanced tab. In that tab, click on Environment Variables. Another window will open.
4

Scroll down until you see «Path». Select it and click on Edit. A third window will open.
5

Edit the PATH environment variable. Unless you really know what you’re doing, don’t remove what’s already there, only append to it. For example, you could add another directory by appending: ;C:pathtodirectory, with «pathtodirectory» being the actual path to the directory.
6

Click on OK. When the window closes, there should be a short delay because the environment variable is being updated. After that, you can press OK to close the other two windows, too.
7

Check that the environment variable changed. Open the command line by pressing ⊞ Win+R, entering cmd, and pressing ↵ Enter. Type: echo %PATH%. The output should be your updated PATH environment variable.

Ask a Question

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Include your email address to get a message when this question is answered.

Submit

Thanks for submitting a tip for review!

Changing the PATH environment variable wrongly can cause your system to stop working correctly. You should have a basic understanding of what you’re doing before changing PATH.

About This Article

Thanks to all authors for creating a page that has been read 35,541 times.

Is this article up to date?

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Для быстрого доступа к командам в командной строке без необходимости ввода полного пути к исполняемому файлу можно добавить путь к папке с этими исполняемыми файлами в переменную PATH в Windows, особенно это может быть полезным при работе с adb, pip и python, git, java и другими средствами разработки с отладки.

В этой пошаговой инструкции о том, как добавить нужный путь в системную переменную PATH в Windows 11, Windows 10 или другой версии системы: во всех актуальных версиях ОС действия будут одинаковыми, а сделать это можно как в графическом интерфейсе, так и в командной строке или PowerShell. Отдельная инструкция про переменные среды в целом: Переменные среды Windows 11 и Windows 10.

Добавление пути в PATH в Свойствах системы

Для возможности запуска команд простым обращением к исполняемому файлу без указания пути, чтобы это не вызывало ошибок вида «Не является внутренней или внешней командой, исполняемой программой или пакетным файлом», необходимо добавить путь к этому файлу в переменную среды PATH.

Шаги будут следующими:

Нажмите клавиши Win+R на клавиатуре (в Windows 11 и Windows 10 можно нажать правой кнопкой мыши по кнопке Пуск и выбрать пункт «Выполнить»), введите sysdm.cpl в окно «Выполнить» и нажмите Enter.
Перейдите на вкладку «Дополнительно» и нажмите кнопку «Переменные среды».
Вы увидите список переменных среды пользователя (вверху) и системных переменных (внизу). PATH присутствует в обоих расположениях.
Если вы хотите добавить свой путь в PATH только для текущего пользователя, выберите «Path» в верхней части и нажмите «Изменить» (или дважды нажмите по переменной PATH в списке). Если для всех пользователей — то же самое в нижней части.
Для добавления нового пути нажмите «Создать», а затем впишите новый путь, который требуется добавить в переменную PATH в новой строке. Вместо нажатия «Создать» можно дважды кликнуть по новой строке для ввода нового пути.
После ввода всех необходимых путей нажмите «Ок» — ваша папка или папки добавлены в переменную PATH.

Внимание: после добавления пути в переменную PATH потребуется перезапустить командную строку (если она была запущена в момент изменения), чтобы использовать команды без указания полного пути.

Как добавить путь в переменную PATH в командной строке и PowerShell

Вы можете добавить переменную PATH для текущей сессии в консоли: то есть она будет работать до следующего запуска командной строки. Для этого используйте команду:

set PATH=%PATH%;C:вашпуть

Есть возможность добавить путь в PATH с помощью командной строки и на постоянной основе (внимание: есть отзывы, что может повредить записи в переменной PATH, а сами изменения производятся для системной переменной PATH), команда будет следующей:

setx /M path "%path%;C:вашпуть"

Набор команд для добавления пути в переменную PATH пользователя с помощью PowerShell:

$PATH = [Environment]::GetEnvironmentVariable("PATH")
$my_path = "C:вашпуть"
[Environment]::SetEnvironmentVariable("PATH", "$PATH;$my_path", "User")

Если требуется добавить путь в системную переменную PATH для всех пользователей, последнюю команду изменяем на:

[Environment]::SetEnvironmentVariable("PATH", "$PATH;$my_path", "Machine")

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I am trying to add C:xamppphp to my system PATH environment variable in Windows.

I have already added it using the Environment Variables dialog box.

But when I type into my console:

C:>path

it doesn’t show the new C:xamppphp directory:

PATH=D:Program FilesAutodeskMaya2008bin;C:Ruby192bin;C:WINDOWSsystem32;C:WINDOWS;
C:WINDOWSSystem32Wbem;C:PROGRA~1DISKEE~2DISKEE~1;c:Program FilesMicrosoft SQL
Server90Toolsbinn;C:Program FilesQuickTimeQTSystem;D:Program FilesTortoiseSVNbin
;D:Program FilesBazaar;C:Program FilesAndroidandroid-sdktools;D:Program Files
Microsoft Visual StudioCommonToolsWinNT;D:Program FilesMicrosoft Visual StudioCommon
MSDev98Bin;D:Program FilesMicrosoft Visual StudioCommonTools;D:Program Files
Microsoft Visual StudioVC98bin

I have two questions:

Why did this happen? Is there something I did wrong?
Also, how do I add directories to my PATH variable using the console (and programmatically, with a batch file)?

asked Mar 3, 2012 at 12:58

Option 1

After you change PATH with the GUI, close and reopen the console window.

This works because only programs started after the change will see the new PATH.

Option 2

This option only affects your current shell session, not the whole system. Execute this command in the command window you have open:

set PATH=%PATH%;C:yourpathhere

This command appends C:yourpathhere to the current PATH. If your path includes spaces, you do not need to include quote marks.

Breaking it down:

set – A command that changes cmd’s environment variables only for the current cmd session; other programs and the system are unaffected.
PATH= – Signifies that PATH is the environment variable to be temporarily changed.
%PATH%;C:yourpathhere – The %PATH% part expands to the current value of PATH, and ;C:yourpathhere is then concatenated to it. This becomes the new PATH.

answered Mar 3, 2012 at 13:03

JimRJimR

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WARNING: This solution may be destructive to your PATH, and the stability of your system. As a side effect, it will merge your user and system PATH, and truncate PATH to 1024 characters. The effect of this command is irreversible. Make a backup of PATH first. See the comments for more information.

Don’t blindly copy-and-paste this. Use with caution.

You can permanently add a path to PATH with the setx command:

setx /M path "%path%;C:yourpathhere"

Remove the /M flag if you want to set the user PATH instead of the system PATH.

Notes:

The setx command is only available in Windows 7 and later.
You should run this command from an elevated command prompt.
If you only want to change it for the current session, use set.

StayOnTarget

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answered Feb 28, 2015 at 5:12

NafscriptNafscript

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This only modifies the registry. An existing process won’t use these values. A new process will do so if it is started after this change and doesn’t inherit the old environment from its parent.

You didn’t specify how you started the console session. The best way to ensure this is to exit the command shell and run it again. It should then inherit the updated PATH environment variable.

answered Mar 3, 2012 at 13:23

Hans PassantHans Passant

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You don’t need any set or setx command. Simply open the terminal and type:

PATH

This shows the current value of PATH variable. Now you want to add directory to it? Simply type:

PATH %PATH%;C:xamppphp

If for any reason you want to clear the PATH variable (no paths at all or delete all paths in it), type:

PATH ;

Update

Like Danial Wilson noted in comment below, it sets the path only in the current session. To set the path permanently, use setx but be aware, although that sets the path permanently, but not in the current session, so you have to start a new command line to see the changes. More information is here.

To check if an environmental variable exist or see its value, use the ECHO command:

echo %YOUR_ENV_VARIABLE%

answered Jul 1, 2015 at 15:11

zarzar

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I would use PowerShell instead!

To add a directory to PATH using PowerShell, do the following:

$PATH = [Environment]::GetEnvironmentVariable("PATH")
$xampp_path = "C:xamppphp"
[Environment]::SetEnvironmentVariable("PATH", "$PATH;$xampp_path")

To set the variable for all users, machine-wide, the last line should be like:

[Environment]::SetEnvironmentVariable("PATH", "$PATH;$xampp_path", "Machine")

In a PowerShell script, you might want to check for the presence of your C:xamppphp before adding to PATH (in case it has been previously added). You can wrap it in an if conditional.

So putting it all together:

$PATH = [Environment]::GetEnvironmentVariable("PATH", "Machine")
$xampp_path = "C:xamppphp"
if( $PATH -notlike "*"+$xampp_path+"*" ){
    [Environment]::SetEnvironmentVariable("PATH", "$PATH;$xampp_path", "Machine")
}

Better still, one could create a generic function. Just supply the directory you wish to add:

function AddTo-Path{
param(
    [string]$Dir
)

    if( !(Test-Path $Dir) ){
        Write-warning "Supplied directory was not found!"
        return
    }
    $PATH = [Environment]::GetEnvironmentVariable("PATH", "Machine")
    if( $PATH -notlike "*"+$Dir+"*" ){
        [Environment]::SetEnvironmentVariable("PATH", "$PATH;$Dir", "Machine")
    }
}

You could make things better by doing some polishing. For example, using Test-Path to confirm that your directory actually exists.

answered Mar 17, 2015 at 20:24

Ifedi OkonkwoIfedi Okonkwo

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Safer SETX

Nod to all the comments on the @Nafscript’s initial SETX answer.

SETX by default will update your user path.
SETX ... /M will update your system path.
%PATH% contains the system path with the user path appended

Warnings

Backup your PATH — SETX will truncate your junk longer than 1024 characters
Don’t call SETX %PATH%;xxx — adds the system path into the user path
Don’t call SETX %PATH%;xxx /M — adds the user path into the system path
Excessive batch file use can cause blindness¹

The ss64 SETX page has some very good examples. Importantly it points to where the registry keys are for SETX vs SETX /M

User Variables:

HKCUEnvironment

System Variables:

HKLMSYSTEMCurrentControlSetControlSession ManagerEnvironment

Usage instructions

Append to User `PATH`

append_user_path.cmd

@ECHO OFF
REM usage: append_user_path "path"
SET Key="HKCUEnvironment"
FOR /F "usebackq tokens=2*" %%A IN (`REG QUERY %Key% /v PATH`) DO Set CurrPath=%%B
ECHO %CurrPath% > user_path_bak.txt
SETX PATH "%CurrPath%";%1

Append to System `PATH`

append_system_path.cmd. Must be run as administrator.

(It’s basically the same except with a different Key and the SETX /M modifier.)

@ECHO OFF
REM usage: append_system_path "path"
SET Key="HKLMSYSTEMCurrentControlSetControlSession ManagerEnvironment"
FOR /F "usebackq tokens=2*" %%A IN (`REG QUERY %Key% /v PATH`) DO Set CurrPath=%%B
ECHO %CurrPath% > system_path_bak.txt
SETX PATH "%CurrPath%";%1 /M

Alternatives

Finally there’s potentially an improved version called SETENV recommended by the ss64 SETX page that splits out setting the user or system environment variables.

Example

Here’s a full example that works on Windows 7 to set the PATH environment variable system wide. The example detects if the software has already been added to the PATH before attempting to change the value. There are a number of minor technical differences from the examples given above:

@echo off
set OWNPATH=%~dp0
set PLATFORM=mswin

if defined ProgramFiles(x86)                        set PLATFORM=win64
if "%PROCESSOR_ARCHITECTURE%"=="AMD64"              set PLATFORM=win64
if exist "%OWNPATH%textexmf-mswinbincontext.exe" set PLATFORM=mswin
if exist "%OWNPATH%textexmf-win64bincontext.exe" set PLATFORM=win64

rem Check if the PATH was updated previously
echo %PATH% | findstr "texmf-%PLATFORM%" > nul

rem Only update the PATH if not previously updated
if ERRORLEVEL 1 (
  set Key="HKLMSYSTEMCurrentControlSetControlSession ManagerEnvironment"
  for /F "USEBACKQ tokens=2*" %%A in (`reg query %%Key%% /v PATH`) do (
    if not "%%~B" == "" (
      rem Preserve the existing PATH
      echo %%B > currpath.txt

      rem Update the current session
      set PATH=%PATH%;%OWNPATH%textexmf-%PLATFORM%bin
      
      rem Persist the PATH environment variable
      setx PATH "%%B;%OWNPATH%textexmf-%PLATFORM%bin" /M
    )
  )
)

^{1. Not strictly true}

Dave Jarvis

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answered Dec 29, 2016 at 12:04

icc97icc97

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Handy if you are already in the directory you want to add to PATH:

set PATH=%PATH%;%CD%

It works with the standard Windows cmd, but not in PowerShell.

For PowerShell, the %CD% equivalent is [System.Environment]::CurrentDirectory.

answered Mar 18, 2016 at 16:09

nclordnclord

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Aside from all the answers, if you want a nice GUI tool to edit your Windows environment variables you can use Rapid Environment Editor.

Try it! It’s safe to use and is awesome!

answered Feb 17, 2016 at 4:10

NetoricaNetorica

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Command line changes will not be permanent and will be lost when the console closes.
The path works like first comes first served.
You may want to override other already included executables. For instance, if you already have another version on your path and you want to add different version without making a permanent change on path, you should put the directory at the beginning of the command.

To override already included executables;

set PATH=C:xamppphp;%PATH%;

answered Sep 6, 2016 at 14:37

hevihevi

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Use pathed from gtools.

It does things in an intuitive way. For example:

pathed /REMOVE "c:myfolder"
pathed /APPEND "c:myfolder"

It shows results without the need to spawn a new cmd!

answered Mar 19, 2019 at 9:37

womdwomd

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Regarding point 2, I’m using a simple batch file that is populating PATH or other environment variables for me. Therefore, there isn’t any pollution of environment variables by default. This batch file is accessible from everywhere so I can type:

mybatchfile

Output:

-- Here all environment variables are available

And:

php file.php

answered Oct 30, 2015 at 14:22

Checking the above suggestions on Windows 10 LTSB, and with a glimpse on the «help» outlines (that can be viewed when typing ‘command /?’ on the cmd), brought me to the conclusion that the PATH command changes the system environment variable Path values only for the current session, but after reboot all the values reset to their default- just as they were prior to using the PATH command.

On the other hand using the SETX command with administrative privileges is way more powerful. It changes those values for good (or at least until the next time this command is used or until next time those values are manually GUI manipulated… ).

The best SETX syntax usage that worked for me:

SETX PATH "%PATH%;C:pathtowherethecommandresides"

where any equal sign ‘=’ should be avoided, and don’t you worry about spaces! There isn’t any need to insert any more quotation marks for a path that contains spaces inside it — the split sign ‘;’ does the job.

The PATH keyword that follows the SETX defines which set of values should be changed among the System Environment Variables possible values, and the %PATH% (the word PATH surrounded by the percent sign) inside the quotation marks, tells the OS to leave the existing PATH values as they are and add the following path (the one that follows the split sign ‘;’) to the existing values.

answered Nov 22, 2016 at 20:34

Use these commands in the Bash shell on Windows to append a new location to the PATH variable

PATH=$PATH:/path/to/mydir

Or prepend this location

PATH=/path/to/mydir:$PATH

In your case, for instance, do

PATH=$PATH:C:xamppphp

You can echo $PATH to see the PATH variable in the shell.

answered Sep 1, 2021 at 6:48

kiriloffkiriloff

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If you run the command cmd, it will update all system variables for that command window.

answered Oct 17, 2018 at 2:06

In a command prompt you tell Cmd to use Windows Explorer’s command line by prefacing it with start.

So start Yourbatchname.

Note you have to register as if its name is batchfile.exe.

Programs and documents can be added to the registry so typing their name without their path in the Start — Run dialog box or shortcut enables Windows to find them.

This is a generic reg file. Copy the lines below to a new Text Document and save it as anyname.reg. Edit it with your programs or documents.

In paths, use \ to separate folder names in key paths as regedit uses a single to separate its key names. All reg files start with REGEDIT4. A semicolon turns a line into a comment. The @ symbol means to assign the value to the key rather than a named value.

The file doesn’t have to exist. This can be used to set Word.exe to open Winword.exe.

Typing start batchfile will start iexplore.exe.

REGEDIT4
;The bolded name below is the name of the document or program, <filename>.<file extension>

[HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionApp PathsBatchfile.exe]

; The @ means the path to the file is assigned to the default value for the key.
; The whole path in enclosed in a quotation mark ".

@=""C:\Program Files\Internet Explorer\iexplore.exe""

; Optional Parameters. The semicolon means don't process the line. Remove it if you want to put it in the registry

; Informs the shell that the program accepts URLs.

;"useURL"="1"

; Sets the path that a program will use as its' default directory. This is commented out.

;"Path"="C:\Program Files\Microsoft Office\Office\"

You’ve already been told about path in another answer. Also see doskey /? for cmd macros (they only work when typing).

You can run startup commands for CMD. From Windows Resource Kit Technical Reference

AutoRun

HKCUSoftwareMicrosoftCommand Processor

Data type Range Default value
REG_SZ  list of commands  There is no default value for this entry.

Description

Contains commands which are executed each time you start Cmd.exe.

answered Dec 21, 2016 at 1:08

A better alternative to Control Panel is to use this freeware program from SourceForge called Pathenator.

However, it only works for a system that has .NET 4.0 or greater such as Windows 7, Windows 8, or Windows 10.

answered Aug 28, 2017 at 1:24

BimoBimo

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As trivial as it may be, I had to restart Windows when faced with this problem.

I am running Windows 7 x64. I did a manual update to the system PATH variable. This worked okay if I ran cmd.exe from the stat menu. But if I type «cmd» in the Windows Explorer address bar, it seems to load the PATH from elsewhere, which doesn’t have my manual changes.

(To avoid doubt — yes, I did close and rerun cmd a couple of times before I restarted and it didn’t help.)

answered Oct 20, 2019 at 18:03

svinecsvinec

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The below solution worked perfectly.

Try the below command in your Windows terminal.

setx PATH "C:myfolder;%PATH%"

SUCCESS: Specified value was saved.

You can refer to more on here.

answered Jun 5, 2021 at 13:42

I have installed PHP that time. I extracted php-7***.zip into C:php</i>
Back up my current PATH environment variable: run cmd, and execute command: path >C:path-backup.txt
Get my current path value into C:path.txt file (the same way)
Modify path.txt (sure, my path length is more than 1024 characters, and Windows is running few years)

I have removed duplicates paths in there, like ‘C:Windows; or C:WindowsSystem32; or C:WindowsSystem32Wbem; — I’ve got twice.
Remove uninstalled programs paths as well. Example: C:Program FilesNonExistSoftware;
This way, my path string length < 1024 :)))
at the end of the path string, add ;C:php
Copy path value only into buffer with framed double quotes! Example: «C:Windows;****;C:php» No PATH= should be there!!!

Open Windows PowerShell as Administrator (e.g., Win + X).
Run command:

setx path "Here you should insert string from buffer (new path value)"
Rerun your terminal (I use «Far Manager») and check:

php -v

answered Oct 24, 2018 at 20:50

SerbSerb

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How to open the Environment Variables window from cmd.exe/Run… dialog

SystemPropertiesAdvanced and click «Environment Variables», no UAC
rundll32 sysdm.cpl,EditEnvironmentVariables direct, might trigger UAC

Via Can the environment variables tool in Windows be launched directly? on Server Fault.

How to open the Environment Variables window from Explorer

right-click on «This PC»
Click on «Properties»
On the left panel of the window that pops up, click on «Advanced System Settings»
Click on the «Advanced» tab
Click on «Environment Variables» button at the bottom of the window

You can also search for Variables in the Start menu search.

Reference images how the Environment Variables window looks like:

Windows 10

via

Windows 7

via

Windows XP

via

On Windows 10, I was able to search for set path environment variable and got these instructions:

From the desktop, right-click the very bottom-left corner of the screen to get the Power User Task Menu.
From the Power User Task Menu, click System.
In the Settings window, scroll down to the Related settings section and click the System info link.
In the System window, click the Advanced system settings link in the left navigation panel.
In the System Properties window, click the Advanced tab, then click the Environment Variables button near the bottom of that tab.
In the Environment Variables window (pictured below), highlight the Path variable in the System variables section and click the Edit button. Add or modify the path lines with the paths you want the computer to access. Each different directory is separated with a semicolon, as shown below:

C:Program Files;C:Winnt;C:WinntSystem32

The first time I searched for it, it immediately popped up the System Properties Window. After that, I found the above instructions.

answered Nov 12, 2020 at 1:38

JaninJanin

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Users can run an executable from windows command prompt either by giving the absolute path of the file or just by the executable file name. In the latter case, Windows searches for the executable in a list of folders which is configured in environment variables. These environment variables are as below.

1. System path
2. User path

The values of these variables can be checked in system properties( Run sysdm.cpl from Run or computer properties). Initially user specific path environment variable will be empty. Users can add paths of the directories having executables to this variable. Administrators can modify the system path environment variable also.

How to set path from command line?

In Vista, Windows 7 and Windows 8 we can set path from command line using ‘setx’ command.

setx path "%path%;c:directoryPath"

For example, to add c:dir1dir2 to the path variable, we can run the below command.

setx path "%path%;c:dir1dir2"

Alternative way is to use Windows resource kit tools ‘pathman.exe‘. Using this command we can even remove a directory from path variable. See download windows resource kit tools. This works for Windows 7 also.

Add directory to system path environment variable:

Open administrator command prompt
Run the below command

pathman /as directoryPath

Remove path from system path environment variable:
Run the below command from elevated command prompt

pathman /rs directoryPath

Setting user path environment variable

For user environment varlables, admin privileges are not required. We can run the below command to add a directory to user path environment variable.

pathman /au directoryPath

To remove a directory from user path, you can run the below command.

pathman /ru directoryPath

Default option is not allowed more than ‘2’ time(s)

You get this error if you have not enclosed ‘path’ in double quotes. See the below example for setting the path of firefox.

C:Users>setx path %path%;"c:Program Files (x86)Mozilla Firefox"
ERROR: Invalid syntax. Default option is not allowed more than '2' time(s).
Type "SETX /?" for usage.

Now if you move %path% to be in the double quotes

C:Users>setx path "%path%;c:Program Files (x86)Mozilla Firefox"
SUCCESS: Specified value was saved.
C:Users>

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Things You Should Know

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Things You Should Know

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Добавление пути в PATH в Свойствах системы

Как добавить путь в переменную PATH в командной строке и PowerShell

Option 1

Option 2

Safer SETX

Warnings

Usage instructions

Append to User PATH

Append to System PATH

Alternatives

Example

How to open the Environment Variables window from cmd.exe/Run… dialog

How to open the Environment Variables window from Explorer

Reference images how the Environment Variables window looks like:

Windows 10

Windows 7

Windows XP

How to set path from command line?

Add directory to system path environment variable:

Default option is not allowed more than ‘2’ time(s)

Append to User `PATH`

Append to System `PATH`