Chat Support wont help because latest release is at Version 13
Installing Premiere Elements 12 can be a challenge even without the computer being reset to factory settings.
Please review the following and let us know if any of the solutions worked for you to get 12 activated....
Also, check out Computer/Manage/Event Viewer/Windows Logs and its Application to see if you spot any error, information, or
warning notes that correspond to the Premiere Elements 12 will not activate situation.
Let us start here and then decide what next if none of the above worked for you.