Based on the file identification number provided, is typically associated with the installer or archive for Prepar3D v4 (Professional Plus Edition) .
The most transformative feature of Prepar3D v4 was the move to a 64-bit architecture. Previous versions were limited by 32-bit constraints, which meant the software could only access roughly 4GB of System RAM. This often resulted in "Out of Memory" (OOM) crashes when users attempted to run high-definition aircraft and complex scenery simultaneously. prepar3d v4 professional plus 402321468