There are multiply reasons why you would like to change installed license for application. Method 1: start: regedit remove HKEY_LOCAL_MACHINESOFTWAREMicrosoftOffice14.0Registration…
slmgr.vbs /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx slmgr.vbs /ato
In case you are unable to log on your own account and you are using Windows 7 as your operation…