Normally on first run there's a EULA to accept, and after that when run it'll pull up a window for configuring event filters. If it doesn't automatically begin event capture it can be manually started under file -> capture events. Under options -> history depth you can lower the maximum events it will hold on to. I do seem to have to leave it running the entire time though, when I tried turning it off after getting past character creation / save loading, it resulted in models not getting loaded after any scene change.
