Since this game is available on multiple platforms (PC, PS3, Xbox 360) and has a "Legacy" version on Nintendo Switch/PS4, the file locations and methods differ.
In addition to automatic saves, players can also manually save their game at any time using the "Save" option in the game's menu. This is particularly useful for players who want to save their progress before attempting a difficult mission or trying to achieve a specific goal. ace combat assault horizon save game
The game saves progress at specific checkpoints within missions. Since this game is available on multiple platforms
On PC, placing a downloaded file in your ACAH folder and completing one mission will usually prompt the game to overwrite/sync that data as your own. If you'd like, I can help you: Locate a 100% completion save file to download. The game saves progress at specific checkpoints within