How do I do a clean install with the Windows Vista Upgrade media?
1. Boot with the Windows Vista Upgrade DVD. 2. Click “Install Now”. 3. Do not enter a Product Key when prompted. 4. When prompted, select the Vista product edition that you do have. 5. Install Vista normally. 6. Once the install is complete, restart the DVD-based Setup from within Windows Vista. Perform an in-place upgrade. 7. Enter your Product Key when prompted. Get Religion: Backup, Backup, Backup! As Murphy Law states, if it can go wrong, it will. Upgrading is a very complex process and there are often cases of failed upgrades from older versions of Windows. Causes can include, power outage during installation, hardware or application conflict. This is why you should “always back up”, its better to be inconvenienced than having to start all over from scratch.