Following Telus and Koodo, Bell customers are now reporting the long-awaited Marshmallow update to the Galaxy Note 4 is now available to download. This brings all the sweetness of Android 6.0.1 to your one-time flagship device and comes in at a hefty 1.5GB in size.
If you have the Note 4 on Bell, manually check for the Marshmallow update by pressing Menu > Settings > About Device > Software Update > Update.
Update: SaskTel and Wind Mobile customers are now reporting the Note 4 udpate has arrived on their device.
Related reading: Galaxy Note 4 review
(Thanks, Chris and Mateusz!)