Some very useful guides if you start with rFactor.
http://www.rfactorcentral.com/rfactor-quickstart/
http://www.simracingworld.com/content/311-beginners-guide-to-rfactor/
http://www.thomas-superwheel.com/rfactor guide.pdf
http://www.rfactorcentral.com/rfactor-quickstart/
http://www.simracingworld.com/content/311-beginners-guide-to-rfactor/
http://www.thomas-superwheel.com/rfactor guide.pdf