The Windows Genuine Advantage
About genuine Windows®:
Genuine Windows software is published by Microsoft and is supported by Microsoft or an authorized licensor. Genuine Microsoft® Software gives you access to all the latest updates and helps keep your computer performing at its best by helping protect you from the risks and problems of counterfeit software.

Toshiba supports genuine Microsoft software. Microsoft products are licensed by Toshiba and accompanied by a Microsoft Certificate of Authenticity (COA) affixed to your computer. You can find out if you're running Genuine Windows by clicking Validate Windows on Microsoft values your privacy and does not use any information collected during the validation process to contact or identify you. Read the Windows Genuine Advantage Privacy Statement.