Prepar3D v4.5 Features and Enhancements


Release Notes

The latest update to Prepar3D is now available! Prepar3D v4.5 continues to build upon the solid foundation and advancements made to the platform by bringing new features, improvements, and fixes across the board.

Terrain night lighting has been overhauled adding greater visual detail and clarity. Highways illuminate through cityscapes like never before and sprawling urban environments come to life extending to the horizon with higher resolution night textures.

Major optimizations have been made to model loading vastly reducing load times for complex scenery add-ons. Additional enhancements were made across the entire platform ranging from smoother multiplayer animations, greater Virtual Reality (VR) performance, to improved Physically Based Rendering (PBR) lighting and color balance.

Expanded developer features including support for PBR autogenerated vegetation, greater effects customization, and various interface updates and new services further expand Prepar3D's open development architecture enabling richer and more customizable content.

New features added to the Professional Plus product include Distributed Interactive Simulation (DIS) auto-connection, DIS engagement lines, and Common Image Generator Interface (CIGI) collision detection expand Prepar3D's interoperability between professional simulation platforms. Additionally, multiple improvements to SimOperator including full sound support, a real-time progress log, and object visual ribbons, helps bring interactive scenarios to life while enhancing operator situational awareness.

Take your training to new heights with Prepar3D v4.5!

The following list of updates has been categorized based on the installer required. The Client installer is required for Prepar3D v4.5, however the Content, Scenery, and SDK installers are optional. You must first have Prepar3D v4 installed to utilize the Client only installer.

To install the Prepar3D v4.5 Client, you must first uninstall the previous Prepar3D v4.0/v4.1/v4.2/v4.3/v4.4 Client through Programs and Features in Windows Control Panel. Do not deactivate your license when prompted. If you selected to deactivate your license during uninstallation of your current Client, your will be prompted to reactivate Prepar3D. Please view the Prepar3D v4 Download and Installation Instructions for more information.


Prepar3D Client

General Platform Updates

New Features

New Features (Professional Plus Only)

Fixes and Improvements

Fixes and Improvements (Professional Plus Only)

SimDirector Updates

New Features

Fixes and Improvements


Prepar3D Content

New Content

Fixes and Improvements


Prepar3D Scenery

Fixes and Improvements


Prepar3D SDK

New Features

Fixes and Improvements