Method 1
Set your headphones to play sound and your mic to record audio in Windows 11 settings.
Open Sound Settings
Right-click speaker icon on taskbar → Click Sound settings
Select Output device
Under Output, choose your headphones from dropdown
Select Input device
Under Input, choose your microphone
Test Headphones
Play a YouTube video or audio file
Test Microphone
Speak and watch the input level in Settings → Sound
Tip: Unplug the headset, restart PC, then plug back in to reinitialize the audio driver