LOL ...
Rave ... the download comes as an iso or similar file, which needs to use an appropriate software, Alcohol, Isobuster, Magiciso etc to either mount it to the Hard drive of the computer, or a software, such as the above + Nero, XPCDWriter, etc to write an iso file to a disc.
Once you have it written correctly (not copied) to a disc you can then install it, just like any other app, to the computer HD.
It's also possible to get the pdf files off and use Adobe reader to view them, but you need iso reading software to do that ...
However ... If you need this much help, without you (apparently) doing anything to help yourself I'd seriously suggest you don't bother with Rave, 'cos you'll never follow it properly and you
will feck up your engine ...
Hope that's helpfull enough ...