For further assistance, you can visit the TunesKit Online Support Center or check their official user guides.
Select the app you want to record from (e.g., Chrome) within the TunesKit interface. Start playing the audio in that application. TunesKit will automatically begin capturing the sound and creating a new track in its recording window. TunesKit Audio Capture 2.5.0
Capture audio from web browsers (Chrome, Firefox, Safari), media players, and desktop applications. For further assistance, you can visit the TunesKit