You need to install these programs:
The driver is used to simulate one virtual audio device so that voice can be routed to other applications.
When installing the driver, make sure your PC is connected to internet; otherwise, it may fail to install.
If needed, you can disable driver signing to make this driver work(However, this is the last choice!). You can follow this tutorial to disable driver signing: https://learn.sparkfun.com/tutorials/disabling-driver-signature-on-windows-8