For users with a google account, you don't have to repeatedly input your username and password at sign-in. 

To use the Google sign-in option you need a registered Gmail account. To create a Gmail account click here

To find out how to sign in with Google, follow the steps below.

1. Click the Login button at the top right-hand corner of your page.
   
    

2. Click on Login with Google
       

4. Select your preferred google account and proceed to log in.