How to clean install Windows 7 with Boot Camp without an install disc

Hello,
I recently bought my mac off a friend and they had the Windows 7 installed. I enjoyed this feature besides the fact they had deepfreeze/thaw-space installed. I finally learned recently how to uninstall it (Make it now load on start up) by deleting the start up registry in regedit. But I just did this and I will know if it truly worked after I restart my computer. Anyway. They is a lot of junk on it and I did a clean install of my mac because I upgraded it to 10.7 (It wouldn't go to 10.8) from 10.6. How do I use boot camp to reinstall windows 7 if I lost the install disc they used? Also they have the adobe CS6 suite on it is there a way I could keep them? Also the thawspace, is there a correct way to rid the os of this? Thanks in advance.

Eric

 

How do I find the long in to uninstall this? and if I don't know the password what then. I think I do but Don't know until I try. So How do I get to the control panel?