How do I delete an environment variable in Windows?

How do I delete an environment variable in Windows?

You can delete an environment variable in Windows by following these steps: 1. Right-click on 'This PC' or 'My Computer' and select 'Properties'. 2. Click on 'Advanced system settings'. 3. In the System Properties window, click on the 'Environment Variables' button. 4. In the Environment Variables window, select the variable you want to delete and click 'Delete'. 5. Confirm the deletion and click 'OK'.

Is there a way to do this using the command line?

Yes, you can delete an environment variable using the command line. Open Command Prompt and use the command: setx VARIABLE_NAME "" to delete the variable. Replace VARIABLE_NAME with the name of the variable you want to remove.

What if I want to delete a user-specific environment variable?

For user-specific environment variables, you can still use the same command in Command Prompt. Just ensure you are using the setx command without administrative privileges, as it will affect only the current user.

Can I see a list of all environment variables before deleting one?

Yes, you can view all environment variables by typing set in the Command Prompt. This will display a list of all current environment variables.