Havoc, you will have to purchase a new copy of windows for the PC part of your mac. Licensing will not allow you to install a previously installed copy of windows on your MAC. Unless it is the full retail version and has been removed from the existing installation.
Computer type Laptop System Manufacturer/Model Number Toshiba Laptop Qosimo X870 OS Windows 7 Pro x64 SP1 CPU Intel Core I7 Motherboard Toshiba Qosmio Memory 16 Gigs Graphics Card NVIDIA GeForce GTX 670M Monitor(s) Displays 17.7" laptop Screen Resolution 1600 x 900
Hard Drives 256 Gig SanDisk SSD for C
256 Gig Intel SSD for D Internet Speed 50/25 FIOS Antivirus Vipre (all you can eat for 10 machines) Browser IE and FF Other Info I have dos 6.22, wfwg 3.11, win98, 2000 and xp VHD's available for testing. MS's Virtual PC works great.
Parallels on a Mac with Windows 7 (buy or use what I got)