Android 7.0 Nougat is current latest version in android platform. Few Nexus devices, such as Nexus 6P, Nexus 5X, Nexus 6, General Mobile 4G, Nexus Player, Nexus 9 or Pixel C can be updated to Android 7.0 Nougat via OTA (Over-the-air) which is the easiest way to update device system.

How to download and install Android 7.0 Nougat via OTA (Over-the-air)

This is the easiest way to download and install Android 7.0 Nougat. Just follow the simple steps given below to receive the update.

Step 1: Open Settings > About > System updates.
Step 2: Tap Check for updates.

If your system supports Android 7.0 Nougat, then it will show up here, you can download and install Android 7.0 Nougat on your devices. If it doesn’t show up then follow the other steps given below.

How to download and install Android 7.0 Nougat via Android Beta Program