To set up a Steam Link device, you'll need to connect it to both your TV and your computer. Once they're connected, you can start playing games.
You can play Jackbox on your TV by downloading it on a gaming console, connecting your computer to a TV, or using services like Apple TV.
The parts selection was essentially just the entirety of my old main workstation and gaming rig. For the CPU, it's a Intel Core i7-10700K, which runs relatively cool and will have no problem staying ...