I purchased office 2010 pro plus from my school and wanted it to install it on my desktop. Unfortunately the disc they sent is burned dvd. My desktop thinks it's an audio cd after struggling to read it. I asked for another copy and the same thing happened. If I put it in my mac running windows, it can see the data and regular install options, although I don't want to install it on the mac. Can I copy the files from the dvd to an external hard disk, transfer it to my desktop and install, or will there be some sort of copy protection? Thanks.