Better installation guide

README.md

@@ -4,12 +4,49 @@ A multiplayer, moddable, extensible roguelike built with NodeJS, JS, HTML and CS
 
 [Test Server](http://play.isleward.com/) | [Discord](https://discord.gg/gnsn7ZP) | [Subreddit](https://www.reddit.com/r/isleward) | [Blog](http://blog.isleward.com/) | [Wiki](http://isleward.gamepedia.com/) | [Twitter](https://twitter.com/bigbadwofl) | [Patreon](http://patreon.com/bigbadwaffle)
 
-### Installation
-1. Download and install NodeJS: `https://nodejs.org/en/download/`
-2. Open a new console window
-2. Get the code: `git clone https://gitlab.com/Isleward/isleward.git`
-3. Navigate to the server folder: `src/server`
-4. Install dependencies: `npm install`
-5. Run: `node --expose-gc index.js`
+### Installation and Usage
+#### Windows
+1. (Optional) Install [Chocolatey](https://chocolatey.org/install)
+    * Launch Command Line as Administrator
+    * Run the following command: `@powershell -NoProfile -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"`
+1. Install NodeJS
+    * 'With Chocolatey: `choco install nodejs`
+    * Manually: Download latest version from [nodejs.org](https://nodejs.org/en/download/)
+1. Install Git
+    * With Chocolatey: `choco install git`
+    * Manually: Download latest version from [git-scm.com](https://git-scm.com/download/win)
+1. Open a new Command Line window and run the following commands
+1. Get the code: `git clone https://gitlab.com/Isleward/isleward.git`
+1. Navigate to the server folder: `cd isleward/src/server`
+1. Install dependencies: `npm install`
+1. Run: `node --expose-gc index.js`
+1. Navigate `http://localhost:4000/` in your browser
+
+#### Linux
+1. Download Git, NodeJS and npm through your package manager
+    * Ubuntu & Debian: `sudo apt-get install git nodejs npm`
+    * ArchLinux: `sudo pacman -S git nodejs npm`
+    * CentOS: `yum install git nodejs npm`
+1. Open a new Terminal window and run the following commands
+1. Get the code: `git clone https://gitlab.com/Isleward/isleward.git`
+1. Navigate to the server folder: `cd isleward/src/server`
+1. Install dependencies: `npm install`
+1. Run: `node --expose-gc index.js`
+1. Navigate `http://localhost:4000/` in your browser
+
+#### MacOS
+1. (Optional) Install [Homebrew](https://brew.sh/))
+1. Install NodeJS
+    * With Homebrew: `brew install node`
+    * Manually: Download latest version from [nodejs.org](https://nodejs.org/en/download/)
+1. Install Git
+    * With Homebrew: `brew install git`
+    * Manually: Download latest version from [git-scm.com](https://git-scm.com/download/win)
+1. Open a new Terminal window and run the following commands
+1. Get the code: `git clone https://gitlab.com/Isleward/isleward.git`
+1. Navigate to the server folder: `cd isleward/src/server`
+1. Install dependencies: `npm install`
+1. Run: `node --expose-gc index.js`
+1. Navigate `http://localhost:4000/` in your browser
 
 ![Ingame Screenshots](http://i.imgur.com/p4ktJ5O.png)