The Definitive Edition (Grove Street Games) is a different game entirely built in Unreal Engine 4. You cannot downgrade that. This guide is for the original 2005 PC release (the one with the orange slash logo).
Downgrading to v1.0 is still the only way to play GTA San Andreas as a platform rather than just a game . The Steam v3.0 might look sharper out of the box, but it crashes the moment you try to spawn a modded car. gta sa downgrade to 10 verified
Step 8 — Validate game data integrity
: Once finished, your folder should contain a gta_sa.exe file. Run the game from this file directly rather than through your launcher. Important Considerations Guide :: Downgrade San Andreas - Steam Community The Definitive Edition (Grove Street Games) is a
: Saves created in newer versions (like the "NewSteam" version) are generally incompatible with v1.0 unless you use a save converter. Downgrading to v1