• Right-click on the white speaker icon located on the bottom right-hand side of the screen.

• Choose Playback Devices*

• Select the audio device that you would like to adjust (i.e. - Scarlett, Saffire)

• Click Properties

• Choose the Advanced tab

• Uncheck the Allow applications to take exclusive control of this device box (both boxes will be disabled now)

• Click OK.

• Reboot your computer to affect the changes.

Windows 10 (Build 1903 and above)

• Right-click on the white speaker icon located on the bottom right-hand side of the screen.
• Open Sound Settings
• Device Properties
• Additional Device Properties
• Advanced
• Uncheck the Allow applications to take exclusive control of this device box (both boxes will be disabled now)
• Click Apply and then OK. 
• Now do the same for both Input and Output