Available as a direct purchase for iPhone and iPad.
The PCGamingWiki recommends "ThirteenAG's Widescreen Fix" for modern resolutions, which is typically downloaded as a .zip file and extracted into the game directory. Downloads - Rockstar Games Download com rockstar gta3 zip
Rockstar provides a v1.1 patch to resolve stability issues. Available as a direct purchase for iPhone and iPad
If you already own the original PC version and need to update it or fix widescreen issues: Download com rockstar gta3 zip
If you have an active Netflix subscription, you can download the GTA III – The Definitive Edition at no extra cost through the Netflix app or the App Store/Play Store. PC and Console Versions