Like its predecessors, FSX is very demanding of your hardware. This is a compilation of various ideas, tips, configuration changes, and tweaks which may (or may not!) improve your experience with FSX. Welcome to my Tips and Tweaks guide to Microsoft Flight Simulator X with SP2.
This is quite a lengthy article so you may jump to individual sections using the links below Thank you, Greg, for compiling the list, we have published it here in HTML format for ease of use. The original document was published by Greg Germanowski and sources from many of the FS community websites. This article documents some great tips and tweaks for speeding up your copy of Flight Simulator X.