This is a huge problem and I couldn't find any solution to this. Let's find a solution, shall we? So, I can confirm this: on two computers I have old Premiere, AE and AME installed and active. On those computers, in Adobe Creative Cloud, pressing the blue button's arrow / Manage / Other versions, I've got these readily available: Premiere Pro CC: - CC 13.0 - CC (2017) 11.1.4 - CC 7.0 - CS6 6.0 After Effects: - CC (2017) 14.2.2 - CC (2015) 13.5 - CC (2014) 13.0 - CC 12.0 - CS6 11.0 Media Encoder: - CC 13.0 - CC (2017) 11.1.4 Now in my particular case, I absolutely need AE 12.0 on a NEW computer. I can't install that normally because those old versions just aren't available in the Creative Cloud app. However, there must be just some simple way how the CC app checks whether old versions are installed and then it allows installation of those or other old versions. So, what is the check? After finding this out, a workaround might be possible. One workaround might be to clone the entire hard disk and install the clone to the new computer (a ridiculous solution, though). Can someone compare the differencies between setups with old Adobe apps installed? For example on Windows, regedit has HKLM\SOFTWARE\Adobe\After Effects and there for example 12, 15.0 and 16.0. They are identical except the path is has CC or CC 2018 or CC 2019 in them. If to a new computer installation the 12 key is exported (even without a working v12 installation), might that do the trick? Or something like this? If someone tries this, please report what happened.
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