[Links Below]
How To Install the Google Assistant SDK on the Raspberry Pi 3 with Raspbian PIXEL
https://www.raspberrypi.org/downloads/raspbian/
This was a 30-45 minute long process that has been condensed into 5 minutes. For easy setup and to be able to simply copy and paste, I recommend having the links open in the pi's chromium browser, as opposed to the way I did above in a separate system.
from google:
Raspberry Pi 3 Model B and power supply
USB microphone
Speaker
An SD card with Raspbian (with PIXEL)
Source and code:
https://developers.google.com/assistant/sdk/prototype/getting-started-pi-python/
https://developers.google.com/assistant/sdk/