Update README.md

Author: Vue.js Developers

README.md

@@ -8,15 +8,35 @@ Source code for the [Ultimate Vue.js Developers Course](http://bit.ly/2mPK8ny).
 
 See the completed project here: [http://vuejs-calendar.vuejsdevelopers.com/](http://vuejs-calendar.vuejsdevelopers.com/)
 
-#### Installation
+#### Pre-installation
+
+- Ensure [NPM](https://docs.npmjs.com) and [git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git) are installed on your system
 
-1. Clone this repository on your local file system
+#### Installation
 
+1. Install this code on your local system
+ 
+    **Option 1 (recommended)**
+    
+    1. Fork this repository (see top right corner)
+    2. Clone the forked repository on your local file system
+    
+        ```
+        cd /path/to/install/location
+        
+        git clone [email protected]:[your_username]/vuejs-calendar.git
+        ```
+    
+    **Option 2 (easier)**
+    
+    This option is better if you're not a Github user or are not sure how to setup SSH keys
+    
     ```
     cd /path/to/install/location
-    git clone [email protected]:vuejsdevelopers/vuejs-calendar.git
-    ```
-
+    
+    git clone https://github.com/vuejsdevelopers/vuejs-calendar.git
+    ```    
+   
 2. Install dependencies
 
     ```