Flash Linux

Use Raspberry Pi Imager

Pinout

Create an empty file called ssh in the boot drive.

create a file called wpa_supplicant.conf in the boot drive.
With the content:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=2
country=CH

network={
    ssid="<>"
    psk="<>"
}

edit /boot/config.txt

lcd_rotate=2

user: pi
password: raspberry

Install necessary packages.

sudo apt install xserver-xorg x11-xserver-utils xinit chromium

Update

sudo nano /etc/X11/Xwrapper.config

allowed_users=anybody
needs_root_rights=yes

file: chromium --window-size=800,480 --window-position=0,0 --disable-infobars --kiosk --app="http://{}" startx {file} -- -nocursor