Verizon has finally started rolling out Marshmallow to the Galaxy Note 4. Should you be on the network and are eagerly awaiting the release, you'll now be able to download and install Android 6.0. This release will bump your software version up to MMB29M.N910VVRU2CPD1.
This release introduces Wi-Fi calling, new look and design, Ultra-High-Quality Audio (UHQA), and more. To check if your phone has the update available for download, be sure to head into Settings > About device > Software updates and hit "Update now." More details can be found on the Verizon website.