Since WordPress is constantly being updated information about how to install WordPress may become out of date, so you always can read official guide here.
Below are all the useful links for WordPress information:
- WordPress Codex
general info about WordPress and how to install on your server. - How to Install WordPress
awesome How-To tutorial on Tuts. - First Steps With WordPress
general information that covers a wide variety of topics. - FAQ New To WordPress
the most popular FAQ’s regarding WordPress.