Cybermagellan wrote:
"We are going to demonstrate how to upgrade your operating system to Windows Vista. (Don't forget to back-up your data! "

They also say that you should always backup your data anyway.

Installing Vista for me was much easier because I did a clean install and have my personal files on a secondary hard drive.  An instructional video that they do would have to be a "one size fits all" solution, which makes things more complicated.