Standard installation for these menus generally follows these steps: How To Get Mods On GTA 5 PC - Full Guide
While specific features vary by version, most high-tier menus like Spectral typically include: Spectral Mod Menu (GTA V)
The ability to instantly spawn any vehicle in the game, including rare or unreleased models, and apply custom performance or visual upgrades. including rare or unreleased models
Unlocking all weapons, enabling infinite ammo, explosive rounds, or "no reload" modes. enabling infinite ammo