Kindly check and try the methods below and see how it goes.
- Press Windows key + R and then on the run box type in there cmd and press Enter or hit OK and then on the Command Prompt type in there
wmic path SoftwareLicensingService get OA3xOriginalProductKey
- You can also use ShowKeyPlus which you download from the MS Store to get the key and copy and save the product key on whichever method you will use
Method 1:
- Press Windows key + X and click on Run
- Type in services.msc and press Enter or hit OK and this open up the Services window
- Look for Software Protection and double click on it, and try to Stop and Start the service or Start it whichever is applicable
- After doing the above check and try the product key again
Method 2:
- Type in cmd from the search bar on the taskbar
- Right click on the command prompt from the search result and click on Run as administator
- Copy/paste the command below and execute then one by one
dism.exe /online /cleanup-image /scanhealth
dism.exe /online /cleanup-image /restorehealth
dism.exe /online /cleanup-image /startcomponentcleanup
sfc /scannow
- After doing the above check and try the product key again
Method 3:
- Open again command prompt and execute the commands below and press Enter after each command
slmgr.vbs /ato - proceed to the next one if this will not work
slmgr.vbs /upk - this will uninstall your product key
slmgr.vbs /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (X represents your 25 character product key)
- Check if this will activate Windows
- If it will still not work, kindly try to reach out either by call or chat to reactivate Windows from a representative
https://support.microsoft.com/en-us/topic/globa...
(Check the phone numbers listed there for your country and try to call them)
https://support.microsoft.com/en-us/contactus or use the Get Help app from your PC and check if you will be able to able to get a hold of someone or to request for a callback as this is a user to user forum and therefore we do not have inside access to be able to check on what is transpiring behind this issue