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Upgrade to Windows 8 with only a product key - Microsoft Windows
Learn how to download and install Windows 8 in a few steps by using just a product key.
Upgrade to Windows 8 - Microsoft Windows
Get answers to questions about upgrading to Windows 8, including system requirements, how to purchase, and what files, settings, and apps you can keep.
Windows XP users are unable to download and burn an ISO to a DVD or USB drive for Windows 8 media
Describes what Windows XP customers can do to obtain backup media for Windows 8.
Windows 8 upgrade process fails on a computer has a large volume without a drive letter
Resolves an issue in which you cannot upgrade a computer from Windows 7 to Windows 8. This issue occurs when there is a large volume that is not assigned a drive letter.
.NET Framework 4 language packs are not updated or removed after you upgrade to Windows 8
Provides workarounds for a .NET Framework 4 language pack problem that occurs after you upgrade to Windows 8.