24th January 2015, 10:24 #1
The product key you typed cannot be used to activate Windows on this computer
If when you try to activate your Windows, you receive the following message, The product key you typed cannot be used to activate Windows on this computer, then try the following:
1] Confirm that your product key has been bought from a genuine reseller or source
2] Check if you are using the correct key (Retail / OEM / Volume / etc) for your Windows.
3] Check if the key is meant for that particular Windows edition. (Ultimate / Pro / Home / etc)
4] To analyze and solve problems with Activations and Validation, run the MGADiag or Microsoft Genuine Advantage Diagnostic Tool.
5] This post may help you Troubleshoot Windows Activation States.