To install the RealAir Simulations C172, unzip this archive to a temporary folder (NOT the root FS2002 folder), and click "Install_172.exe". That's it!
After installation you will see the flying guide appear in html format. After closing this, the readmenow! and Realair_c172. html files will be placed in your RealAir_C172SP folder so you can refer to them any time after installation.
PLEASE READ THE SECTION REQUIRING YOU TO SET THE REALISM SLIDER TO MAX WHEN FLYING THIS AIRCRAFT.