Is it possible to upgrade windows 8 enterprise to 8.1 enterprise after a discontinued msdn subscription but with perpetual licenses for windows 8 skus.
I checked here http://blogs.windows.com/windows/b/springboard/archive/2013/10/18/windows-8-1-general-availability-the-it-pro-perspective.aspx and looked at the volume license site. Logging in there I could see all my keys both kms and mak for every os except windows 8 or 8.1 which was strange. My current windows 8 keys both retail and MAK (w8 ent uses MAK) came from the msdn site but of course I have no access to any downloads there as expected (although I have all my isos on disk). Thought there may be something for the 8.1 enterprise update but no.
How do I obtain the windows 8.1 enterprise update?
Thanks