Follow the automated prompts to type your Installation ID into your phone, and enter the Confirmation ID given to you by the system. Method 2: The 120-Day Activation Extension (Rearm)
It is important to know what you are installing. Windows Vista Starter has severe limitations:
Searching for "windows vista starter product key top" is likely to generate results from various websites, but it's important to be aware of the potential pitfalls. Many of these results can be associated with software piracy or unreliable sources.
Getting windows 7 with vista key? Can I? - Level1Techs Forums
If you are currently running Windows Vista Starter, the most productive path is to consider an upgrade. Luckily, there are official and cost-effective ways to move to a secure, modern operating system: