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Find Windows Vista Activation Status
http://www.vistaarticles.com/articles/181/1/Find-Windows-Vista-Activation-Status
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Published on 12/9/2006
 
Check to make sure your Windows Vista is activated.

Find Windows Vista Activation Status

Included in Windows Vista is very useful utility that will help you check the status of activation of your computer:

1. Click on the Start Button and key in CMD and hit Enter to start up Command Prompt.

2. At the prompt, type in "slmgr.vbs -dli"

3. After a few seconds you will be presented with a pop-up message with your activation status.