Click the large button at the bottom of the screen. The software will process and merge the files. Because it is simply wrapping the tracks together and not re-encoding the video, the process will only take a minute or two. Verifying Synchronization
It sounds like you’re looking for a draft of an installation guide or documentation text for something named — possibly a custom audio plugin, a firmware update, a game mod, or an experimental media tool. pitchblack2000720pbrriphindidualaudiove install
If you followed the steps above but still face problems, check these common culprits: Click the large button at the bottom of the screen