Step 1 : Click Start , then Run and type in " regedit " without qoutes.
Step 2 : Expand HKEY_LOCAL_MACHINE
Step 3 : Then expand Software , then Microsoft,then Windows NT , then Current Version.
Step 4 : Click WPAEvents and doubl click OOBETimer.
Step 5 : Erase everything and click ok,and close the registy editor.Go Back to run and type
" systemroot%\system32\oobe\msoobe.exe /a " without qoutes.
Step 6 : Choose yes i want to telephone a customer service and click Next.
Step 7 : Click Change the product key. Type in This Key.
THMPV-77D6F-94376-8HGKG-VRDRQ
Step 8 : Click remember me later and go back to run and click ok.
Step 2 : Expand HKEY_LOCAL_MACHINE
Step 3 : Then expand Software , then Microsoft,then Windows NT , then Current Version.
Step 4 : Click WPAEvents and doubl click OOBETimer.
Step 5 : Erase everything and click ok,and close the registy editor.Go Back to run and type
" systemroot%\system32\oobe\msoobe.exe /a " without qoutes.
Step 6 : Choose yes i want to telephone a customer service and click Next.
Step 7 : Click Change the product key. Type in This Key.
THMPV-77D6F-94376-8HGKG-VRDRQ
Step 8 : Click remember me later and go back to run and click ok.
Step 9 : Thats it Restart your Computer