The Zephyr project has recently reached version 4.5, following its 10-year anniversary in March 2026. It has certainly come a long way and continues to improve with each release.

While there are plenty of other excellent resources about Zephyr, new users may be confused by outdated tutorials or simply overwhelmed by the amount of information available. This article serves as a cheat sheet to help you get started quickly.

In this article, I show how to install and get started with Zephyr. For this, I use the tinyK22 (NXP K22FN512) and NXP FRDM-MCXN947 board as an example.