How to create a WordPress Child Theme?

WordPress has tons of free and premium themes you can use for almost any kind of website. But there may be a need to do some customization here and there to fit your need. Customization should not be done on a base WordPress theme as the changes will be lost when the theme is updated to a new version. That is why it is always important to use a WordPress child theme instead. In this post we shall discuss about how to create a Child Theme in WordPress.