Although you can install it on Windows or Linux, you can also run it on a compact device like a Raspberry Pi. Octoprint recommends Raspberry Pi 3B, 3B+, 4B, or Zero 2 hardware for the software.

So I'm going to install Linux on the Raspberry Pi, add a program called Octoprint, and use that to drive the 3D printer. That's the power of these little devices.