Dowload and install raspberry pi imager. Install 32bit or 64bit full image set options as needed.
Disable Screen Blanking
https://pimylifeup.com/raspberry-pi-disable-screen-blanking/
And autoload Chromium browser in kios mode at startup
https://linuxhint.com/use-kiosk-mode-chromium-raspberry-pi/
And disable mouse cursor
https://raspberrypi.stackexchange.com/a/109078
done