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pmanhart's post in Replacing Professional Developer License version with Academic was marked as the answerYes yes yes!
Definitely uninstall the pro version before installing the Academic version.
Follow these steps:
Uninstall the Professional Developer version. Delete any files left over in the Prepar3d v2 folder that may have been modified by third-party programs or added by third-party programs. Delete any files left over in: C:\Users\username\AppData\Roaming\Lockheed Martin\Prepar3d v2\ Delete any files left over in: C:\Users\username\AppData\Local\Lockheed Martin\Prepar3d v2\ Delete any files left over in: C:\ProgramData\Lockheed Martin\Prepar3d v2\ Delete any files left over in: ...\My Documents\Prepar3d v2 Files\ (save any saved flights you want to keep as a backup) Reboot PC Install Academic version.