1. Backup your device.
2. Follow the prerequisite steps here
3. Reboot to the bootloader via key combination
4. $ fastboot oem unlock or $ fastboot flashing unlock
5. Reboot the device, then reboot back to bootloader
6. $ fastboot flash recovery divested-16.0-20230920-dos-yellowstone-recovery.img
7. Reboot to recovery (use volume buttons to navigate if on or key combination if off)
8. Choose "Apply update", then "Apply from ADB", and $ adb sideload divested-16.0-20230920-dos-yellowstone.zip
9. While still in the recovery perform a factory reset
10. Reboot into DivestOS. If it takes more than 10 minutes to boot then something is wrong. Do not let it sit for more than 10 minutes!
11. There are monthly updates. You MUST read the News page and backup your device before each update.