: Seek out a "No-CD" or "Fixed" executable from community hubs like Simtropolis or PCGamingWiki .

If you are looking to run SimCity 3000 Unlimited on modern hardware without the original disc, there are several "fixed" executables and community patches available to bypass outdated DRM like SecuROM and SafeDisc, which Windows 10 and 11 no longer support. www.reddit.com Reliable Solutions & Fixes

Most modern laptops don't even have a disc drive.