Skip+the+Product+ID

One of the very first steps you will see when setting up your Windows Vista computer is the prompt to enter a product ID number. If you are familiar with Windows XP, you can probably enter that number with no problem. However, in Windows Vista, you can leave the product ID box blank, if youwould like. If you do that, you will get a stern warning from Microsoft that basically says you better put the ID number in if you know what is good for you! Well, you can still safely skip it if you know you have (or will have) a legitimate product ID number in the near future. Alternatively, if you are just planning to evaluate Windows Vista for 14 days or less. It just gives you a little breathing room.
 * Skip the Product ID**