I'm surprised Ron Hunt's SaitekHelp site isn't in the list. It hasn't been updated in a while, so you also need one to Dhauzimmer's download site, which has the latest version of his X36/X45 drivers (which were the only ones that worked with my brand new X45).
SaitekHelp is http://saitekhelp.simhq.com/
I won't put Dhauzimmer's link here, in case it requires his consent. It's in the readme file of any driver version.
BA_Dart is being modest: his skip-bombing tutorials are excellent, with a presentation style that definitely has character