If you have a valid Windows 10 product key and encounter the error 0xc004f012 during activation, let's explore various methods to resolve this issue.

1) Try activating your product key via Command Prompt following the instructions on the next page.

2) Alternatively, you can attempt phone activation. Refer to the instructions provided in our previous article.

3) If the above methods didn't work, you can try the following procedure:

- Open Command Prompt as an administrator. You can do this by typing "CMD" into the search bar on the taskbar => Right-click on "Command Prompt" in the search results => Run as administrator.

- Then, execute the following commands one by one:

net stop sppsvc

cd %windir%\ServiceProfiles\LocalService\AppData\Local\Microsoft\WSLicense

ren tokens.dat tokens.bar

net start sppsvc

cscript.exe %windir%\system32\slmgr.vbs /rilc

- After completing the procedure, try activating your product key again.

4) If none of the above methods worked, contact your product key seller. If you don't have a valid Windows 10 product key.
You can purchase one from our catalog starting from 8.2 €.