1: Archinstall

Before the script, here's a video from A1RM4X to assist you with archinstall

Install Arch like a boss: Archinstall script

1. Set up your Wi-Fi if you need it.

iwctl

Then, replace YOUR-WIFI-NAME with the name of your wifi (SSID)

station wlan0 connect YOUR-WIFI-NAME

Enter your wifi password then quit to exit iwctl.

2. Archinstall

archinstall                 # to launch the installation help script for arch linux