This is an alternative graphical method, but it is less reliable than Method 1.
Disabling fullscreen optimizations in Windows can help fix performance issues like or input delay by allowing your application to communicate directly with the GPU. How to Disable for a Specific App
This is the most common and safest method, as it allows you to troubleshoot problematic games without affecting the rest of your system. how to disable fullscreen optimization
Locate the game's primary executable file (.exe) in its installation folder.
| Situation | Recommended Method | |-----------|--------------------| | One game has stuttering, others work fine | (per-app) | | Many older games feel laggy, or you prefer exclusive fullscreen | Method 2 (registry) | | You want a quick GUI method without editing registry | Method 3 (Graphics settings) | This is an alternative graphical method, but it
This is the safest method. You only disable the feature for problematic apps, leaving system apps unchanged.
This is the safest method as it only applies to the specific game giving you trouble. Locate the game's primary executable file (
Incorrect registry edits can cause system issues. Back up your registry first (File → Export).
If you are looking to implement this fix, here is the definitive guide on how to do it, along with an explanation of why people recommend it.
After applying Method 1 or 2, you can confirm it worked:
: Find the .exe file for the program. You can often do this by right-clicking a desktop shortcut and selecting Open file location .