The biggest challenge and most important things are to make user registration and login quick and easy while developing our application. The registration forms required a lot of data that need to be filled by users manually and it causes lost, potential users. Additionally, users need to enter their usernames/emails and passwords in the login forms to authenticate themselves and also need to remember more individual IDs and passwords. Social Login allows customers to bring their existing social identities and use them to register and log in without creating a new profile explicitly. Facebook is the most favorite social media provider in comparison to other social media providers and the number of active Facebook users growing day by day. In this article, I will explain how you can implement “facebook login” on your website or mobile app in a very easy manner. Facebook work on the OAuth 2.0 protocol and most of the social providers like Facebook, Google, Microsoft, Linkedin are supporting OAuth 2.0. Refer to this article Getting Started with OAuth 2.0 to know about OAuth flow. Create Your Facebook Login App Here you can find the complete step by step guide to create your Facebook Login App. Step 1 Go to hotmail login and log in using your Facebook credentials. NOTE: Please do not log in using a business account as Facebook will not allow you to create an app if you do so. for full visit facebook login for more hotmail