I have Vista on a Dell computer thats 2 years old. I bought the Vista upgrade to 7 version at Best Buy. I ran the upgrade advisor and it never would complete it's run. I saw from the Windows Community Forum that I should do a clean boot and then rerun the upgrade advisor. I did that, found the info on a clean boot at Microsoft, and the upgrade advisor will still not compete. If I would have known that I was going to have a problem I would have bought the full version and then just reformatted and loaded the full version in. So do I go ahead and try to load 7 anyway and see what happens? Sure could use some advice.