According to guides from GTA Mod Mafia and other modding sources, these menus typically include:
Unlimited health, armor, money, and "super powers" like super run, flying, or air breaking. gta-san-andreas-cx-mod-menu-best-cheats-gta-mod-mafia
Downloading and extracting the mod files (usually a .rar or .zip ) into the main game directory. According to guides from GTA Mod Mafia and