This guide will show you how to create and use environment variables on your Windows 11 computer in simple steps.

What Are Environment Variables?

Environment variables are like little notes that your computer and programs use to remember important settings. They tell your computer where to find certain files or how to behave when running tasks.

For example, if you want a program to always know where your downloads folder is, you can set an environment variable for that.

Ways to Set Environment Variables in Windows 11

You can create environment variables using:

• System Properties (a simple Windows settings screen)
• Command Prompt (a text-based way to give commands)
• PowerShell (a more advanced command tool)

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1. Using System Properties (Easy Way)

Follow these steps to add an environment variable using Windows settings:

1. Right-click the Start button at the bottom-left of your screen.
2. Select System from the menu.
3. On the right side, click Advanced system settings.

This will open the System Properties window.

4. Click the Environment Variables… button near the bottom.

Now you will see two sections:

• User variables – These only affect your user account.
• System variables – These affect all users on the computer.

To add a new variable:

1. Click New… under the section you want (User or System).
2. Type a name for the variable (like MY_FOLDER).
3. Type the value (like C:UsersYourNameDocuments).
4. Click OK to save.

Click OK again to close all windows. You might need to restart your computer or log out and log back in for the changes to take effect.

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2. Using Command Prompt

You can also add environment variables by typing commands. Here’s how:

1. Right-click the Start button and select Windows Terminal (Admin) to open a command window with administrator rights.
2. Click the down arrow next to the “+” tab and choose Command Prompt.

To create a user variable, type this command and press Enter:

setx VARIABLE_NAME "VARIABLE_VALUE"

Replace VARIABLE_NAME with your variable’s name and VARIABLE_VALUE with the value you want.

Example:

setx Downloads "C:UsersYourNameDownloads"

To create a system-wide variable (for all users), type:

setx /M VARIABLE_NAME "VARIABLE_VALUE"

Example:

setx /M Downloads "C:UsersYourNameDownloads"

After running these commands, open a new Command Prompt window to use the new variable. You might need to restart your computer for some programs to see the change.

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3. Using Windows PowerShell

PowerShell is another way to add environment variables using commands.

1. Open Windows Terminal (Admin) as shown above.
2. Make sure you’re in a PowerShell tab (it opens by default).

To create a user variable, type this command and press Enter:

[Environment]::SetEnvironmentVariable("VARIABLE_NAME", "VARIABLE_VALUE", "User")

Example:

[Environment]::SetEnvironmentVariable("Downloads","C:UsersYourNameDownloads","User")

To create a system-wide variable, type:

[Environment]::SetEnvironmentVariable("VARIABLE_NAME", "VARIABLE_VALUE", "Machine")

Example:

[Environment]::SetEnvironmentVariable("Downloads","C:UsersYourNameDownloads","Machine")

This change will be ready for new PowerShell or Command Prompt windows. Restart programs or your computer to fully apply the changes.

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How to Check if Your Variable Was Created

You can check if your environment variable is working:

• In Command Prompt: Type echo %VARIABLE_NAME% and press Enter.
• In PowerShell: Type $env:VARIABLE_NAME and press Enter.

If everything worked, you should see the value you set.

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Summary

• Environment variables help your computer and programs know important settings.
• You can create them through Windows settings, Command Prompt, or PowerShell.
• Remember to restart your computer or log out and in after creating new variables.
• Check your variables by echoing them in Command Prompt or PowerShell.

If you have questions or tips, feel free to leave a comment!