I installed using the "install to add-ons folder" choice in the installer but the aircraft doesn't appear as a choice in P3D.
I looked around the folders and found one file that appears it might be an XML add-on, named "P3DDllXml.exe.config". On my install set up it's located here: "C:\Users\srhub\Documents\Prepar3D v4 Add-ons\FeelThere EJets\SimObjects\Airplanes". I renamed this file to "add-on.xml" and I could then open it but the text inside didn't match what I've seen in other XML files that add scenery or aircraft to the sim. Altering the file name did not work, either, in terms of adding the plane to the sim.
I also looked in app data and program data, and the E-Jets is not noted as an add-on in those XML files, either. I'm running P3D v4.5.13.32097 (latest hot fix.)
I tried uploading photos of the folders mentioned above but there is a (ridiculous) 20K limitation for uploads.
Suggestions? Thanks for your help.