https://pranx.com/win7-update/
Windows 7 Update Screen - Prank
The never ending online Windows 7 update screen prank will help you prank your colleagues. Open it on their computer in full screen and just watch them :)
update screen prankwindows
https://pranx.com/win10-update/
Fake Windows 10 Update Screen Prank
Never ending Windows 10 upgrade prank. Trick your friends opening this screen on their computer and watch them wondering what's going on.
update screen prankfake