By the middle of this year, the Windows update service will check to see whether you have a legal copy of Windows or not. If not, you will be prompted to purchase a legal copy of Windows at a discounted price.
According to CNET, Microsoft has been testing this tool using voluntary users. As of February 7th, use of this verification tool will be mandatory in China, Norway, and the Czech Republic. It will soon be mandatory for the rest of us.
By taking part in this program, called the Windows Genuine Advantage, you have the opportunity to download free or reduced price software if you validate your software. You can take part in this program now, if you wish. A demonstration is available on the Advantage web page, showing you how to validate your software. Once you are validated, you shouldn’t need to do it again.