For the purpose of Windows, what you set there becomes the default for the system. There is no such thing as a universal "default" because the system can never guarantee that specific endpoint ...

You can change the Default Sound Input Device in Windows 11/10 using Windows Setttings or Control Panel. Learn how to do it the easy way.

3] Set your audio device as a default device Setting your audio device as the default device means that it will be the device that Windows uses to play all audio by default.

Yes, you can set a new microphone as the system default, and in this guide, you will learn two ways to complete this task on Windows 10.