Forum Discussion
LFL777
Dec 31, 2025Copper Contributor
Activate Windows 11 after Computer Switch
I have recently bought a new Computer where I Installed Windows 11 after i finished building it. When I installed Windows 11 I chose Windows 11 Home(Not knowing i actually had Windows 10 Pro on my ol...
HarperLake
Jan 04, 2026Iron Contributor
If your old PC was activated with a Windows 10 Pro license linked to your Microsoft account, that license can potentially be transferred, but it must match the edition.
LFL777
Jan 04, 2026Copper Contributor
Switched from Home to Pro using "changepk.exe /ProductKey VK7JG-NPHTM-C97JM-9MPGT-3V66T" in CMD, and can now select my old PC to activate Windows. But it says that it can't activate windows right now, and that i should try again later.
Is the answer here just to wait a few hours and test again, or is there a workaround regarding that message?