Look for the "OpenOMF" project or community forums (like Diversions Entertainment archives) for versions pre-patched to run on Windows 10/11.
If downloading an ISO, you will likely need a No-CD patch to bypass the original copy protection. 🤖 Why It’s a Classic Download One Must Fall: Battlegrounds PC Game 2003
Deep RPG-like stat building for your pilots. Look for the "OpenOMF" project or community forums