I know you have to have a new product key number per installation, but I have not run across any limits on how often you can install from the DVD.
If you do a clean install with your upgrade Windows 7 like the method in this tutorial, then you can use it to dual boot with Vista. It will work the same way.
I know you have to have a new product key number per installation, but I have not run across any limits on how often you can install from the DVD.
If you do a clean install with your upgrade Windows 7 like the method in this tutorial, then you can use it to dual boot with Vista. It will work the same way.