: If Stereo Mix isn't available, Audacity (a free, open-source tool) uses a host called Windows WASAPI . In Audacity, set the Audio Host to Windows WASAPI .
Right-click an empty area, select , and if Stereo Mix appears, right-click to Enable it.
Windows offers built-in ways to reroute its own output as an input. record sound on the computer without microphone
Unlike Windows, macOS does not have a native "Stereo Mix" feature for internal audio recording. You'll need a "virtual cable" to bridge the gap. How to Record Internal Audio on Mac? - Apple Community
: This is a virtual recording device provided by your sound drivers. : If Stereo Mix isn't available, Audacity (a
Right-click the volume icon on your taskbar and select Sound Settings . Go to > Recording tab.
Once enabled, any recording app like the Windows Sound Recorder can use it as the "Microphone" source. Windows offers built-in ways to reroute its own
Choose your primary output device (e.g., Speakers) followed by as the recording device. This captures exactly what you hear. 2. Mac: Virtual Audio Drivers