Step 1. Go to "Run" and type regedit.exe
step 2. Expand:HKEY LOCAL MACHINE>>sOFTWARE>>MICROSOFT>>wINDOWSNT>>CURRENT VERSION>>WPA EVENTS
step 3. Open OOBETimer, delete every value you can and exit regedit.exe
step 4. Go to "Run" and type "%systemroot%\system32\oobe\msoobe.exe /a"
step 5. Choose "Yes, I want to telephone a customer service representative to activate windows" and hit next.
step 6. Click "Change Product key" Button
step 7. Enter new " THMPV - 77D6F - 94376 - 8HGKG - VRDRQ " and click update
step 8. Click "Remind Me Later" Button
step 9. Restart The Windows
step 10. Go to "Run" and type "%systemroot%\system32\oobe\msoobe.exe /a"
Step 11. Windows Activated. Press Ok to exit