How, or what files I move to copy my preferences from one PC to other
they're all ove the place, so it's not necessarily worthwhile (for all programs). hopefully, you have less the two or three that have enough customization to make it worthwhile to move.
adobe media encoder: https://forums.adobe.com/thread/1713540 and https://helpx.adobe.com/media-encoder/using/preferences.html
after effects: http://helpx.adobe.com/after-effects/using/preferences.html
Win: C:\Users\<username>\AppData\Local\Adobe\Animate CC <version>\ and C\Users\<username>\AppData\Roaming\Adobe\Animate\<version>\
Mac: /Users/<username>/Library/Application Support/Adobe/<Animate CC version>/ and /Users/<username>/Library/Preferences/Adobe/Animate/<version>/)
muse: https://forums.adobe.com/thread/1127564 (message 7)
photoshop elements: https://helpx.adobe.com/photoshop-elements/kb/preference-file-locations-photoshop-elements.html, http://www.photokaboom.com/photography/learn/Photoshop_Elements/troubleshooting/1_delete_preferences...