HTF do I? Basic Source Control in Unreal Engine 4 ( UE4 )

Using Sourcetree and Bitbucket how can we set up free private source control from scratch in a hopefully easy to follow way =) The video will show you from nothing how to get Sourcetree set up, creating a new repository for your files, moving a UE4 project over to the new repository, and getting those files, including using LFS, committed to the remote system