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Addit! Pro: Aircraft & Add-on Manager/Installer for Prepar3D

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​Addit! Pro For Prepar3D is a full-featured addon manager for Lockheed Martin Prepar3D.

Addit! Pro is a fully featured add-on manager for you to use with your Prepar3D simulator. It makes the installation of add-ons and correcting configuration issues an absolute breeze.

With Addit! Pro you can install new add-ons to your simulator faster and easier than ever before; install straight from zip files, rar files or even from folders, so you don't even need to worry about extracting any files. Not only that, now you can safely remove unwanted add-ons without the fear of breaking other ones that might be reliant on them. You can keep your downloads folder nice and clean with the included ability to automatically archive add-ons with Addit! Pros File Cabinet, placed in zip files to save space.

It's incredible that you can manage everything from aircraft, adventures and flight plans, to panels, missions, skins and repaints, all using one application. Not to mention the fact that it comes with a complete scenery library editor, with automatic updates, all the functionality of Prepar3D's scenery library manager and then some.

A clean, well-organized interface with clear menus and sub-menus, means that you will have no trouble using this program to the fullest of it's potential, should you want to. Selecting the wizard from the home screen will bring up a simple scroll list, where you can select from installing or removing add-ons, editing sounds, panels, aircraft and scenery etc. Say, for example, you select 'Edit Aircraft', you can then choose from configuring individual elements like textures and sounds. A generous and robust help system provides all the support and guidance you need to become proficient with the program that will change your simulator experiences for the better. 

With Addit! Pro you can:

Screenshot from Addit! for Prepar3D

Screenshot from Addit! for Prepar3D

  • Quickly and easily install new addons straight from zip files, rar files, or from folders.
  • Remove addons without breaking others.
  • Manage aircraft, adventures, A.I. airport and facilities data, flights, flight plans, gauges, missions, panels, scenery, skins and repaints, sounds, textures, videos, weather and more!
  • Archive addons in Addit! Pro's File Cabinet, automatically zipped to save disk space.
  • Modify your aircraft, panels and sounds.
  • Manage multiple configurations using Addit! Pro's P3D Configuration Manager.
  • Full-featured scenery library editor provides all of the functionality of Prepar3D's scenery library manager plus much more!
  • Generate HTML or text reports.
  • Automatically update Prepar3D's scenery library.
  • Detailed and robust Help system guides you every step of the way.


Addit! Pro is packaged in a zip file called . To download and install the program, follow these instructions:

1. Download using the download buttons on this page. 
2. Create an installation folder on your hard drive. For example, C:\APP3D.
3. Use an unzipping utility to unzip to that installation folder. 
4. Go to the installation folder and run Setup.exe. 
5. Follow Setup's instructions to complete the installation.

If you are updating an existing copy of Addit! Pro For Prepar3D, Setup may offer to upgrade you automatically. If, however, Setup does not find your current installation of Addit! Pro, please install this release to the same folder as your existing copy.


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The archive has 15 files and directories contained within it. View them...

File Contents

This list displays the first 500 files in the package. If the package has more, you will need to download it to view them.

Filename/Directory File Date File Size
Additpro.chm08.26.16448.04 kB
app3dv841.txt08.26.16739 B
app3d_addon_installation_wizard.jpg08.26.16239.05 kB
app3d_addon_wizard.jpg08.26.16240.30 kB
app3d_edit_aircraft.jpg08.26.16291.42 kB
app3d_edit_scenery.jpg08.26.16256.49 kB
bull1.gif08.26.16292 B
bull2.gif08.26.16264 B
divider.gif08.26.16318 B
EULA.rtf08.26.1613.90 kB
File_id.diz08.26.16739 B
readme.htm08.26.1653.11 kB
register.htm08.26.1615.89 kB
setup.exe08.26.1622.17 MB
whatsnew.htm08.26.1654.61 kB


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File Details

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22.92 MB
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Scanned within the last 30 days with ClamAV and found to be free of all known virus.
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Installation of Add-on Aircraft/Scenery

Most of the freeware add-on aircraft and scenery packages in our file library come with easy installation instructions which you can read above in the file description.  For further installation help, please see our Knowledge Center for our full range of tutorials or view the README file contained within the download.


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