You can read up on the different ways to launch a program on startup with Raspberry Pi:
https://learn.sparkfun.com/tutorials/how-to-run-a-raspberry-pi-program-on-startup/all
https://www.dexterindustries.com/howto/run-a-program-on-your-raspberry-pi-at-startup/
This is probably the easiest way:
https://www.raspberrypi.org/documentation/linux/usage/rc-local.md