The gold standard for this issue is the GTA SA Widescreen Fix. It doesn't just unlock 1080p; it fixes the UI scaling so your map and health bar aren't stretched horizontally.

You will need an ASI Loader (often included in the download) to run the fix. 2. Installation Steps Extract the Files: Open the .zip file you downloaded.

Open the game, go to Options > Display Setup > Advanced , and you should now see 1920x1080 available in the resolution list. 3. Pro-Tips for the Best Experience

Download the latest build from the Widescreen Fixes Pack website.

If your mouse stops working in the menus, the InputMod or SilentPatch usually resolves this "Windows 10/11 bug." 4. Why Use a "Fix" File?