Modern Xbox consoles handle saves almost entirely through cloud synchronization over the Xbox Network.
A 100% completed save file is, as the name implies, a user-created game file where every event has been won, every road discovered, and virtually every car unlocked. For a player, installing such a file means booting up the game and immediately having access to: forza horizon 2 save game 100 complete hot
Note: Modifying save files on Xbox Live can risk account penalties. Proceed at your own risk and use an offline profile if possible. Modern Xbox consoles handle saves almost entirely through
For players on the Xbox 360, the process typically involves "resigning" a downloaded save to your specific profile: Format a USB drive on your Xbox 360. as the name implies