Here we go again…
With each new release of Windows, Microsoft changes the mix of products it offers to consumers and also changes the terms of use. Windows 8.1 is no exception.
This post lists the key changes you need to know about in Windows 8.1 pricing and licensing, with a few buying tips thrown in for good measure.
(Two pages)
Read more at: Everything you need to know about your Windows 8.1 upgrade options | ZDNet
See also: http://www.eightforums.com/tutorials/32281-compare-windows-8-1-editions.html