How to Get the Android 6.0.1 Update Right Now
If you don't feel like waiting for the Nexus 7 Android 6.0.1 Marshmallow update to arrive Over-the-Air, you don't have to. You can download and install the update right now provided you follow some instructions and have some free time to commit to the process.
If you're interested, we've put together a guide that will take you step-by-step through the manual installation process.
It's straightforward and once you get the hang of it, you'll be able to do it on your own, without instruction, for any upcoming Android update from Google. The Nexus 7 is old but it should continue to get updates into 2016.