Follow this sequence to ensure the game runs stably on Windows 10 or 11:

Save often. Those trigens still move fast.

Even with patches, the engine is old. Here is how to make it stable.

If you installed from old discs, you need the official 1.4 patch before any mods. This patch removes multiplayer (Gamespy is dead anyway) but fixes hundreds of single-player bugs.

Installation finished. You held your breath and double-clicked the desktop icon—a stylized claw mark on a tropical orange background.