Savvy Solutions

Windows OS

Uninstall Product Key

slmgr.vbs /upk

Activate Product Key

slmgr.vbs /ipk xxxxx- xxxxx- xxxxx- xxxxx- xxxxx

If activation doesn't work, use command 'slui.exe 4' or 'slui' from a command prompt and then call Microsoft Answer Tech (chat).   source

 

Windows 11

 

Windows 10

Transfer retail license to another PC

Migration product key for Core (home) edition: BD8NM-JGY2P-8JJYD-WTYKR-HQRJM

Generic Product Keys

How to transfer a digital license

 

Windows 8