If you need to install drivers and utilities, you can install them through armoury crate or asus support site, and please make sure that your internet is well connected first. This tutorial from asus walks you through the entire installation process, step by step—from cpu, ram, and ssds to gpu, cooling, and power supply. Asus offers 2 ways to update bios of the motherboard.
For the installation of each parts in the computer, such as cpu, cpu cooler, memory, hard disk, graphics card and other pcie devices, please refer to the user manual of the corresponding motherboard model in asus official website. Update bios under the shutdown or uninstall cpu status (usb bios flashback), it's only applicable to some models. Apparently, this laptop is a rog zephyrus m gu502 clone, and we saw pretty much what we expected on the inside.