Important! Do these two steps first. The Platform tools drivers must also be installed in the Windows system, otherwise the instructions will not work.
This guide is for Windows 10, 11 and most Linux distributions.
Windows
A quick guide for the time being.
Open a CMD with admin rights:
Tip:
cd "path of your rom folder"
Reboot to bootloader
fastboot -w
fastboot update "rom-name.zip"
Linux
Open a terminal