This is a common troubleshooting step for PC gamers and power users looking to reduce input lag, prevent screen tearing without V-Sync, or fix games that minimize poorly when using ALT+TAB.
Windows Registry Editor Version 5.00
While useful for casual use, this feature often introduces: disable fullscreen optimizations globally
Microsoft introduced this feature to allow games running in "Exclusive Fullscreen" mode to behave more like borderless windowed mode. This allows features like the Game Bar, Notifications, and ALT+TAB switching to work faster. This is a common troubleshooting step for PC