This Windows 8 Professional Product key is absolutely Genuine CD key.
Activate Windows 8 Professional version and support Microsoft Online Update.
Support all languages version, including English, German, Italy, French, Spanish, Japanese, Russian and so on.
One Key For One Computer. One Windows 8 Professional product key works permanently on one computer. Forever useful to reinstall the Operation System or Application Software.
Not for Trial, Beta, OEM and Non-Genuine Version.