Check the PC's IP address ( ipconfig in the Windows command line, ifconfig on Linux) then enter moonlight pair Then install Moonlight: sudo apt install moonlight-embedded Press Ctrl + X to save (confirm with Y) then download and add the GPG key. In the text editor, add: deb stretch main Next, edit the sources list: sudo nano /etc/apt/sources.list When you're ready, install these dependencies in Raspbian Stretch: sudo apt install libopus0 libasound2 libudev0 libavahi-client3 libcurl3 libevdev2 Before proceeding, you should update both Steam and GeForce Experience. This requires your PC to have a GTX 650 or higher Nvidia GPU and the GeForce Experience software. Most notable is Moonlight, as mentioned above. Get started with our guide to installing an operating system on the Raspberry Pi.

If you're new to the Raspberry Pi, you'll need a copy of the Debian-based Raspbian Stretch operating system.

You should have an account with Steam and at least one game installed. You will also need a computer running Steam on Windows 7 or later, Mac OS X 10.10 Yosemite or later, or Linux Ubuntu 12.04 or newer. Steam software on your computer, a Steam account and library of games.A router with Ethernet ports (5GHz wireless is not recommended for the Raspberry Pi).8GB or great microSD card with Raspbian Stretch installed.

Now all you need to stream games from Steam to your Raspberry Pi is:

Previously you could install Nvidia GeForce on your PC (if compatible) and use the open source implementation of Nvidia's GameStream software (Moonlight) to stream games via your Raspberry Pi. What You Need to Play Steam Games on Raspberry Pi

Steam link raspberry pi 2