Windows 8 to 8.1 Upgrade Impact

We have deployed Surface Pros to our field staff and are eagerly awaiting the upgrade to 8.1 to be released to consumers.  We've been testing 8.1 RTM internally from TechNet and discovered that during the upgrade process we had to re-install all of the "old/Desktop" style applications, however, there has been some suggestion from Microsoft that the consumer release would be done through the Windows Store and wouldn't require re-installation of desktop applications. As opposed to installation via ISO files.

Does anyone here know whether or not the upgrade will require re-installation of desktop applications or could you point me in the right direction?  Google is my friend, however, Microsoft doesn't seem to be saying much.  Any help would be greatly appreciated.
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Nick RhodeConnect With a Mentor IT DirectorCommented:
Oops, sorry I just noticed it was the wrong link.

My bad

Also just to be sure make a backup just in case :) (always recommended)
Nick RhodeIT DirectorCommented:
You didn't get the upgrade and keep apps option when you installed it?  This could be due to the version not being aligned.  For instance if you used a volume license of windows 8 pro you would want to install the volume windows 8.1 pro etc.  Aligning the volumes should give you an option to keep all your stuff.
TacoJohns-ITAuthor Commented:
I only received the keep files option, I did upgrade from the 8.1 Preview so that may be why I didn't get the option to keep apps.  I guess I'm just wondering if anyone had seen any documentation from Microsoft on the impact, I vaguely remember them stating that the upgrade via Windows Store wouldn't require app re-installation, but wasn't sure.  Unfortunately, I can't simulate an upgrade via the Windows Store method, I haven't tried upgrade a Surface Pro directly with the ISO of 8.1, however, have you tried that and if so what were your results?
Nick RhodeIT DirectorCommented:
I have only seen blogs and posts regarding the windows 8.1 release and have only seen a couple work arounds to resolve your issue updating from 8.1 preview to 8.1 using the RTM.

One workaround found here:

I thought 8.1 wont be available via the windows store which would be your upgrade you are looking for till Oct 18th.
Hi NRhode.

What workarounds? The link talks about modifying a different SKU of eight, not about modifying 8.1 preview, or am I mistaken? Would be nice for some to be able to upgrade the preview to RTM.
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