Harry Potter and the Prisoner of Azkaban for the PC is a kid-oriented action adventure game based on the recently released movie of the same name. Apart from that, this PC version is generally unlike the game you'll find on the PS2 or Xbox, because Prisoner of Azkaban on the PC is an entirely separate game created by a different development The second thing is compatibility. Right click on the desktop shortcut icon of HP3, and click Properties. Click the Compatibility tab at the top. Tick the boxes for: Run this program in compatibility mode for Windows XP (Service Pack 2) Run in 640x480 screen resolution. Run this program as an administrator. 6CdO6.