Microsoft Flight Simulator X: Steam Edition Dow... Here

If your goal is to "downgrade" from a heavily modded or broken state back to the original clean version:

: If a specific build is not in the Beta list, you can use the Steam Console and SteamDB to manually download older "depots" using specific manifest IDs. Restoring to "Vanilla" Default Microsoft Flight Simulator X: Steam Edition Dow...

To downgrade or revert your to a previous state, you can either use Steam's built-in "Betas" feature for version management or perform a clean reinstallation to restore the "vanilla" experience. Downgrading and Version Management If your goal is to "downgrade" from a