ShareX is a free and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to many supported destinations you can choose from.
There is no "Virtual Audio Capturer" and install option on screen recording options as you can see in below image:
I need to record MS Teams meetings and need an audio source of my PC, for example: Headphone, Speaker, ...
Thank you