(If you still don't see Stereo Mix, try to plug in a mic and enable it) Start > Control Panel > Sound > Recording tab > If you don't see Stereo Mix, right click and select Show Disabled Devices > Enable Stereo Mix If you have a black screen, try this: - (screenshot) Set resolution to MAX and make sure anti-aliasing is off browsefilter=trend&requiredtags%5B%5D=-1#scrollTop=0 Run Steam as Admin if you are using Steam version after completely closing Steam