This section provides an overview of what wordpress-theming is, and why a developer might want to use it.
It should also mention any large subjects within wordpress-theming, and link out to the related topics. Since the Documentation for wordpress-theming is new, you may need to create initial versions of those related topics.
Detailed instructions on getting wordpress-theming set up or installed.
Wordpress is opensource.You can find large set of theme for use free or premium themes.All theme are provide a documentation for install and use.
What you have to understand while choose a theme?
How install or setup?
Two ways to install theme into wordpress.
Via Admin Panel
Any other help you can search on codex.