On Windows 11, you can add or remove RSAT in at least two ways using the Settings Optional features settings and PowerShell commands, and in this guide, I will teach you how.

Windows PowerShell has become an essential command-line tool for system administrators and advanced users.

There is a way to install unsigned .Appx App Package with PowerShell in Windows 11/10. Use the Add-AppxPackage command line to get it done easily.