You can download fedora here
There are multiple desktops available for use with Fedora. Each has a slightly different look and feel and offers varying levels of customization. Visit  to know more.
Fedora spins are alternate versions of Fedora, tailored for various types of users via hand-picked application sets and other customizations. Visit  to know more.
This  provides all download options in one page.
The Fedora Installation Guide is here