Step 1: download Download the installer for VIVIDIZER Virtual Audio Device (VAD) found here: https://vivaldi3d.com/pages/downloads
Step 2: Run the installer as shown in the video below.
...
Click the download to run the installer and follow the prompts.
Step 3: Check for your license code in your email after your purchase.
Step 4: For more information visit the Quick Start guide
Uninstallation Instructions
Navigate to
C:\Program Files (x86)\Vivaldi3D\Vividizer Virtual Audio DriverThen, double click to run the uninstaller named “uninstaller.exe”