The soundcard may have inbuilt “enhancements” for VOIP which are on by default and which ruin music recordings.
If so the controls for the soundcard (which is nothing to do with Audacity or Windows ) should have options where you can uncheck these VOIP “enhancements” , (may be called “noise reduction” “echo cancellation” or include the word “filtering”) … Wierd Sound with Microphone.. - #11 by Godwinlee