How do I add environment variables in PowerShell?

How do I add environment variables in PowerShell?

You can add environment variables in PowerShell using the $env: prefix. For example, to set a variable, use $env:MY_VAR = 'value'.

Can I make the environment variable permanent?

Yes, to make it permanent, you can use the [System.Environment]::SetEnvironmentVariable('MY_VAR', 'value', 'User') command.

What if I want to set it for the system instead of the user?

You can set it for the system by using [System.Environment]::SetEnvironmentVariable('MY_VAR', 'value', 'Machine'), but you'll need admin privileges.

How can I check if the variable is set?

You can check if the variable is set by using Get-ChildItem Env:MY_VAR or simply $env:MY_VAR.