Prepar3D v4 Professional Plus (version 4.0.23.21468) represents a major milestone in the evolution of flight simulation, primarily because it was the version that fully transitioned the platform to a 64-bit architecture . Developed by Lockheed Martin
The specific build belongs to the initial release wave of v4, providing a stable foundation for professional-grade training across air, sea, and land environments. Key Technical Innovations in v4 Prepar3D v4 Professional Plus 4.0.23.21468
To get the most out of this specific version, keep these core requirements in mind: DirectX 11 Framework : Unlike later versions that moved to DX12, v4 relies on DirectX 11 . Ensure your GPU drivers are optimized for this runtime. SDK for Customization Prepar3D v4 SDK Prepar3D v4 Professional Plus (version 4
