This article lists the known issues that you may experience after you install Microsoft Visual Studio 2013 Release Candidate (RC). For more information about these issues and the workarounds that are available, click the following article numbers to go to the articles in the Microsoft Knowledge Base.
"Signature not valid" error message when you sign in to Visual Studio 2013 RC on a FIPS-enabled computer
Note Windows Store app development requires Windows 8.1 RTM, which is available to MSDN and TechNet subscribers. Visual Studio 2013 RC does not support Windows 8.1 Preview or Windows Server 2012 R2 Preview