win8升級8.1

mm00991

http://www.microsoftstore.com/st ... productID.288094800
再等幾天就有免費更新了
理論上只要裝更新都會重新驗證吧

Windows 8.1 Pro is not designed for installation on devices running Windows XP or Windows Vista.

If you’re running Windows 8 Pro, visit the Windows Store for a free update to Windows 8.1 Pro starting on October 17