Select your microphone and leave microphone audio enabled. Grant permission when the browser asks.
Screen recorder with audio
Record your screen with microphone and Chrome tab or system audio. Enable Share audio in the picker. Files stay local. No watermark on Free 1080p.
Microphone
System / tab audio
Enable System / tab audio, then also turn on Share audio in Chrome’s source picker. FAKT cannot turn that Chrome control on for you. Some windows do not provide audio.
Separate audio tracks (Pro)
Pro can optionally save microphone and system/tab audio as extra local files, plus WAV or MP3 export. Nothing is uploaded.