How to Add a sidebar to a WordPress theme and set it up
This tutorial will guide you through the steps involved in setting up a sidebar on a WordPress page. Every version of WordPress brings with it new features, new functions and new ways of doing things. Fortunately, the very same technology that allows an open-source blog publishing application like WordPress to exist in the first place also makes it easy for its users to share information about its features through videos like this one. Take a look.