It's simple, follow these uninstall commands:

macOS

1. Open Terminal. To do this, use the search (cmd + space bar) and search for ‘Terminal’.
2. Once open copy/paste the command

   sudo /usr/local/vanta/vanta-cli uninstall

3. Press enter. You'll be prompted to enter your password (this is the password you use to download apps)
4. It is now uninstalled!  

Windows

1.  Go to Apps & features, search for Vanta and click on the Uninstall button.
2. Delete the files in the Vanta folder from this location C:\ProgramData\Vanta.

Linux

1.  Open the command line, and copy/paste

   sudo vanta-cli uninstall