To quickly get started with your own installation you can use one of these docker compose files.
open a shell and cd to that folder you want save the files to, and type
git clone https://github.com/open-rpa/docker.git
cd docker
For almost everyone, you will want to start with docker-compose.yml, you do that by call normal-up. on windows
normal-up.bat
or linux/macos
./normal-up.sh
for more information read more at docker dokumentation.