Windows 10 won’t run games that employ SafeDisc or certain versions of Securom DRM, rendering hundreds of old disc-based games potentially unplayable without complex workarounds. Games which used these forms of DRM range from Crimson Skies to Grand Theft Auto 3, Microsoft Flight Simulator 2004 to the original The Sims. Yet despite this change coming in Windows 10, blame can’t likely be placed at Microsoft’s feet. For one, SafeDisc is notoriously insecure and Microsoft’s decision to block it from their new operating system will likely protect more users than it hurts.
Guess it will be a good idea to keep a computer with an older OS around if you play games with these DRMs.