If the user doesn't have it installed, GMI will install it automatically (no download required). Now it automatically checks for updates every five days. It displays a list of all backups in your GTA folder and lets you choose one to restore.
NOTE: This beta does not backup edited GXT files. You can now edit GXT files for custom car names, or any other text for other mods. What's new in GTA Mod Installer 5.0 Beta: