Check Software and Hardware Compatibility with Windows 8.1
Microsoft has rolled out a service to test whether a service works on 8.1 or not
The only thing you have to do on this page is to enter the product name and hit “Search,” with Microsoft showing compatibility information with Windows 8.1 or Windows RT 8.1.
The Compatibility Center is said to show information for the final version of 8.1 too, so in case you’ve already downloaded one of the many leaks out there, make sure you have a look on Microsoft’s updated service to find out whether a specific app works on it or not.
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