The Field View app must be installed on each device where it will be used. The device installation process varies based on the device type.
For iOS and Windows devices, you can install the Field View app directly from the app store on the device. For Android devices, you can download and install the app from Google Play. See Install the App on an Android Device for details.
If upgrades are available, you are prompted to upgrade your device when you sync the app regardless of device type.