December 25, 201312 yr I have heard that fsx might perform better in XP 64 bit, is this true? Since i was gonna reformat anyway i thought xp might be a less buggy and better performing platform.
December 25, 201312 yr Stay with windows 7 64bit. Microsoft does not support xp any more, and the performance between the two platforms is the same with regards to fsx. Ryan L.
December 26, 201312 yr Commercial Member Stay on Windows 7, but do place a copy of the W7 64Bit UIAutomationCore.dll in your FSX folder if you haven't. I usually also place it in the SYSWOW64 and System32 folder too. Aamir Thacker
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