'Copy protection' is actually what prevents Infinite from exporting a particular model. When a mesh is imported by the creator, there is a flag that can be set that will block the mesh from being exported. This was implemented to permit content creators to decide for themselves how stringent they wanted to protect their work (and to cover e-on from a legal standpoint as well, considering how many frivolous DMCA suits are currently floating around). It was listed as 'copy-protected' 'non-copy protected' in the C3d store because of the howling hysteria that happened when the word 'encryption' was used...which is what is actually happening. The 20 character regcode is being generated and embedded in the installer, making installation a one click affair. I bought my extra plants from the e-on site initially, and have to do the regcode plus reg number of the Vue version it was purchased for. Same with Mover 5 until I went to Infinite. You have never been able to share the extra plants and regcodes (the zips would not register with the app unless decrypted with a code keyed from the regcode of the app being installed to), as they were keyed from your registration code. The =only= thing that has changed is that you don't have to sit there and type in the bloody regcode for each plant, and the regcode for the Vue app version you bought it for initially. Nearly all the non-e-on stuff has either a keyed executable or a non-keyed zip file. If the non-keyed zip is unavailable, it was decided by the content creator, not the store or e-on.