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Q. What is the difference between the versions of Windows?
The Windows Genuine Advantage
Genuine Microsoft® software is published by Microsoft and supported by Microsoft or a trusted partner. Using genuine Microsoft software offers you greater capabilities and easy integration with the widest variety of hardware, software, and services. It also provides the confidence of receiving the latest product features, updates and ongoing improvements to help keep your PC performing at its best. PC Specialist Ltd supports genuine Microsoft software. Microsoft products licensed by PC Specialist Ltd and accompanied by a Microsoft Certificate of Authenticity (COA) affixed to your computer are genuine.
To validate that your copy of Windows is genuine, visit www.microsoft.com/genuine. The validation process is easy to use, only takes a few moments to run and once completed enables you to more quickly receive genuine Windows downloads in the future.