SLMGR (Software License Management Tool) lets users run commands required to perform Windows license activation tasks. Users can also use this command to change their product key.

How to Activate Windows 7 Through PowerShell. Windows PowerShell is a utility that lets you automate Windows features including activation of the operating system.

MAS has been updated to v3.0 with TSforge, letting it activate every release since Windows 7 and Office 2013. Check out the exploit!