First, your company type must be either Silent Only or Silent & Interactive.
Admins can edit their company type on the Configuration section of the Settings / Company Settings page.
Single User Install
The app can be downloaded on the Downloads page.
After downloading, click on the downloaded file to run it.
For macOS, read the following instructions.
Multi-User Install
Learn how to install it using Group Policy Management here.
Learn how to install it using Microsoft Intune here.
Learn how to install it using Jamf here.