+### From Command Line
+
+`apm install api-notation`
+
+### From GUI
+
+#### Open the Package Manager from Palette Manager
+
+1. Press `⌘⇧P` on OSX or `⌃⇧P` on Windows/Linux to open the palette manager
+2. Look for `Install Packages and Themes`
+
+#### Open the Package Manager from Preferences
+
+1. Go to `Atom -> Preferences` menu
+2. Go to `Install`
+
+#### Install it
+
+1. Search for `api-notation` in the search bar
+2. Click Install
+
+## Usage
+
+Open a `.api` file, or set it as your syntax.