Right-click the volume icon on your taskbar and select Sound Settings . Go to > Recording tab.
: 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 . record sound on the computer without microphone
Right-click an empty area, select , and if Stereo Mix appears, right-click to Enable it. Right-click the volume icon on your taskbar and