How to capture/take screenshot of entire screen even by scrolling(Full Page Capture)

Google Chrome has provided a plugin 'Fireshot' to capture full page.
Steps:
Step 1: Open the following url Fire Shot or search for Fireshot plugin in chrome browser.
The following screen will be opened.

Step 2: Click on "Add to Chrome" as shown in the image above.
It will open popup as shown below.

Step 3: Click on 'Add Extension' to add the plugin to browser.
Once plugin is added,you will find symbol 's' added on browser on the top right as shown in the image below

Step 4: Click on that icon and click on 'Capture selection' as shown in the image below to capture what ever you select even by scrolling.

Step 5:Thats it..now your screen is captured....