This is pre-release software. The Fedora Project makes no guarantees as to its suitability or usefulness. All issues should be reported via the Red Hat Bugzilla. Read the Release Notes for more information.
Install media i386 : http://torrent.fedoraproject.org/torrents/Fedora-13-Beta-i386-DVD.torrent
See also : http://fedoraproject.org/get-prerelease?stF13b
After downloading an ISO, verify it.
囧，全英文，看不懂…
这些貌似挺简单的哈。。