Google Android Nougat operating system is available for both a Samsung Galaxy Note 5 and Samsung Galaxy S6 Edge. Verizon wireless is rolling out this update for these devices. You want to look for software version N920VVRU3CQB9 on your Note 5.
If you own a S6 Edge, then you want to look for software version G928VVRU3CQB9. You can manually check for this update by going into "Settings" and then choosing "System Updates". You may want to connect to the Internet via WiFi if your on a metered connection.
Also, it is recommended that you plug in your wall charger during this upgrade or have a well charged battery.