What is the easiest way to upgrade to Windows 8.1 if you cannot do it via the Windows Store?

I have a MSDN Subscription and have installed Windows 8 Professional using my Volume License version of Windows 8.

The Windows 8.1 update does not show up in Windows Store. This is a known problem.

What is the appropriate, easiest way to upgrade this installation to Windows 8.1?

Volume License versions of Windows 8 are not able to be updated by using the Store. You must download the VL version of Windows 8.1, and can fully automate the process by running “setup.exe /auto:upgrade” from the Windows 8.1 installation files. This will perform an “In-place update”. This is explained further in the Springboard Series Blog’s latest post.

Hope this helps,

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