The update brings in a mostly redesigned interface, split screen, new boot-animation, one-handed mode and few other features. Moto G4 (Prime Exclusive) Nougat update carries build version NPJ25.93-14.
Motorola’s instructions explain that for a successful installation, the battery in your phone should be at least 50% charged and your device should be connected to a Wi-Fi network or LTE. The changelog for the software patch does not explicitly mention any other improvements to the device.
If you haven't got the notification of this new software update yet, Just go to Software updates menu in Settings, and It will automatically start downloading the latest update. The update will take around 20-30 minutes to get Installed on your device.