You download the game as an ISO file (a digital image of the original CD).
Recent Windows security updates have changed how older DRM (Digital Rights Management) is handled, often preventing original discs from being recognized at all. The Two Primary Methods cm0102 no cd
There are two main ways to achieve a "no cd" experience: mounting a virtual disc or using a modified executable (crack). 1. Mounting a Virtual Disc (Recommended) You download the game as an ISO file