Change Windows Vista Product Key After Install

Changing the Windows Vista product key may be necessary if you discover your current key is pirated or illegal but you don’t want to reinstall Windows Vista to activate your new legal key.

To change Windows Vista product key, use the following steps:

Go to Windows Vista System Properties window with one of the following method:

• Right click on Computer and select Properties in the right click context menu
• Click on Start button, then Control Panel, and then select “System” (for classic view of Control Panel).
• Click on Start button, then Control Panel, and then System and Maintenance, and then select “System” (for normal view of Control Panel).
At the bottom of the Windows Vista System Properties window where “Windows activation” section located, click on a blue link named “Change product key” with a small shield icon next to it. Your system might need a second or two to display the change product key dialog after clicking on the link.