The latest version of FreeBSD can be downloaded from Softpedia
The third Release Candidate of the upcoming FreeBSD operating system has been announced and it is now available for download and testing.The developers of FreeBSD stated in the release announcement that this will be the last release candidate and, unless something important intervenes, the final builds will be put together.
Users have been asked to report any major problems through the normal Gnats PR system or on the stable mailing list.
Users of earlier FreeBSD releases (FreeBSD 7.X, 8.X) can use freebsd-update to upgrade to FreeBSD 9.1 RC3, but they will be prompted to rebuild all third-party applications.
Download FreeBSD 9.1 RC3 right now from Softpedia. Remember that this is a development release and it should NOT be installed on production machines. It is intended to be used for testing purposes only.