Windows 11 key suddenly deactivated. What do I do?

[Microsoft Windows]

I recently updated my pc because it got a windows update.And right after it finished I got the "Activate Windows" in the bottom right of my screen.Which is strange because I've never had any problems since I've gotten my PC. (Which was in JULY 2024.)It gave me the error-code: 0xC004F213 - Windows reported that no product key was found on your device.My PC was prebuilt + preinstalled.I've tried to return to the previous update. (when it was still working.)I've tried factory resetting.I've also tried to fix it with troubleshooting.I've looked for a sticker on my pc with a windows activation key,

Continue reading...