How to manually install Android 4.4 KitKat on Nexus 7

After hearing that Android 4.4 KitKat would be rolling out to the Nexus 10 and WiFi variants of the Nexus 7 (2012/2013), many of us jumped to check to see if we’d receive the update. Unfortunately, Google tends to take its time updating devices and we could be in for a rather lengthy wait.