Addit! Pro is a comprehensive addon manager for Flight Simulator X. Easily install, manage and remove aircraft, adventures, flights, flight plans, gauges, missions, panels, A.I. airport and facilities data, scenery, sounds, textures, videos, weather and more! Archive add-ons to Addit! Pro's File Cabinet or recreate them in zip files. Modify your aircraft, panels and sounds. Automatically update FS's Scenery Library. Includes FS Configuration Manager, complete scenery library editor, ZIP/RAR support and much more! See Readme.htm for details. Requires Flight Simulator X: Standard or Deluxe Edition. By Joseph Stearns.