WordPress is a free and useful state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability. What a mouthful. WordPress is both free and priceless at the same time.
More simply, WordPress is what you use when you want to work with your blogging software, not fight it.
To get started with WordPress, set it up on a web host for the most flexibility or get a free account on WordPress.com.
WordPress is a powerful personal publishing platform, and it comes with a great set of features designed to make your experience as a publisher on the Internet as easy, pleasant and appealing as possible.
PHP version 4.2 or greater
MySQL version 3.23.23 or greater
System Requirements: Win 9x/ME/NT/2K/XP/2K3/Vista/7
Operating System Support: Windows 7