http://store.steampowered.com/app/314160 The Microsoft Flight Simulator X: Steam Edition Flash Sale is now on! For a limited time only make huge savings on FSX: Steam Edition and add-on content from Orbx​, A2A Simulations​, REX Simulations​, FS2Crew​, Just Flight​, Aerosoft​ and many other developers. Whether you want new airports, aircraft, challenging missions or tools to enhance your flying experience, there is something in the sale for you.