While Project I.G.I. was stuck in licensing limbo for years, it occasionally appears on digital storefronts like GOG (Good Old Games). These versions are pre-patched to be "DRM-Free," meaning the "No CD" functionality is built-in legally and safely. A Quick Word on Safety

A is a modified executable file ( .exe ) that bypasses the game’s check for a physical disc. For many fans, this is the only way to run the game on modern hardware like Windows 10 or 11.

You avoid the risk of infecting your system with legacy viruses.