How big is your hard drive.you could use PartitionMagic, enables you to safely load and run multiple operating systems (OSes) on the same computer without conflict. Test a new OS without giving up the stability of the OS you are currently using. PartitionMagic also includes PQBoot, which enables...
Why not try a Commodore 64 emulator the best one is CCS64 which is shreware or you could get vice which is free.
http://www.computerbrains.com/
http://www.viceteam.org/
[Editted Graphic of Netuser shaking his Booty]