Raspberry pi4+ for retired people
https://ru.aliexpress.com/item/4000062025549.html (for example) ~$79
https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up https://www.raspberrypi.org/downloads/
default login = pi
default password = raspberry
The quickest way to enable wireless networking is to use the command line raspi-config tool.
$ sudo raspi-config
https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md