You can just plug license keys in at will. When you buy a license key, you'll be given an alphanumeric code which will immediately allow you to use more ports without reinstalling. You may have to restart the computer afterwards (or maybe just the services), but that's all.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...