How to Checkin and Checkout Projects in TFS 2015 - Team Foundation Server 2015 Tutorial

In this video we will learn following: 1. How to Check in and Check out code in TFS 2015? 2. What is local repository in TFS 2015? 3. What is work space in TFS 2015? 4. How to check if code is checked out or checked in TFS 2015?