it's really simple, just download an app that installs a virtual cd drive. Daemon tools is really good. Just search daemon tools at google or something and you'll find the website.
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Allahu Akbar
Pentium 4 2 GHz
128 MB Geforce 4 Ti4600
Sound Blaster Audigy 2
512 MB RD800Ram
80 Gig Maxtor HD 7200
3dMark 2001 SE -> Pure HW 10165