In this post I will show you how to install Android 6 Marshmallow on Nexus 5. The tutorial should also work on any other Nexus devices that support Marshmallow such as Nexus 6, Nexus 7, Nexus 9, and Nexus Player.

Google officially released Android 6 Marshmallow in October 5th. It comes to bring new features such as Google Now on Tap, Fingerprint support, USB type-C, Battery life improvement and more. So it is worth to upgrade to Android Marshmallow for all Android users.