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README.md

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+# SteamAutoStarter
+A small tool to automaticall launch steam, when your SteamLink tries to discover it
+
+## Why?
+
+The [SteamLink](https://store.steampowered.com/app/353380/Steam_Link/) is a very neat pice of hardware (or Software!) to stream games from your PC to a TV or similiar.
+The downside is, that it (understandably) only works when Steam is running on your PC.
+This means that you you have to set Steam to start automatically with your PC.
+Since I use by PC mostly for work, I tried to avoid this.
+
+This small tool can start automatically with your PC and waits for a Steam discovery request from your SteamLink.
+When such a request is detected, Steam is launched and the tool quits.
+
+## Installation
+
+- Download the [latest release from GitHub](https://github.com/nrother/SteamAutoStarter/releases) and extract the ZIP-File somewhere
+- Right-click the file `SteamAutoStarter.exe` and select "Copy"
+- Open a new Explorer Window, type `shell:startup` in the address bar
+- Right click the empty space and select "Paste as link". This will make SteamAutoStart start automatically with your computer.
+
+## Usage
+
+When the tool is installed and running (i.e. after a restart of your computer) just start your SteamLink and select your computer.
+Steam should automatically start and the SteamLink should connect as usually.
+
+## Limitations
+
+- The tool was only tested on Window. It should be trivial to compile it for Linux thanks to .NET Core, let me know if you are interested in this.
+- The tool will exit after Steam was launched. This means that it will not be able to start Steam again until your computer is restarted.
+This is usually not a limitation, but probably could be fixed. Let me know, if you are interested in this.
+
+## How?
+
+This tool listens for a valid [Steam In-House Streaming Discovery Protocol](https://codingrange.com/blog/steam-in-home-streaming-discovery-protocol) discovery message (`k_ERemoteClientBroadcastMsgDiscovery`) on port 27036.
+When such a messag is received Steam is launched using the [Stream Browser protcol](https://developer.valvesoftware.com/wiki/Steam_browser_protocol) (`steam://`) and the tool exits.