Description
The Activation in Windows 11 Pro site also has 5 additional sections that cover these situations and others in more detail:
Activating a new installation of Windows 11
Activating after reinstalling Windows 11
Activating Windows 11 Pro after upgrading from Windows 10, Windows 11 Home, Windows 7, Windows 8
Activating the latest Windows 11 Insider Preview
Activating Windows 11 after a hardware configuration change