Zephyr-sdk-install-and-config
From Wiki at Neela Nurseries
Steps to installing Zephyr SDK and prerequisites in the context of NordicSemi's forked branch of Zephyr, and specifically details on `west init`, `west zephyr-export` and `west update`:
Instructions to install Zephyr SDK 0.13.0, note this is a Zephyr website page: