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.
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. gta-san-andreas-1080p-resolution-fix-file
The most reliable way to fix this is by using the by ThirteenAG. 1. Download the Essential Fix You will need an ASI Loader (often included