Edit: Due to the fact that this article is old, the installation instructions may not work anymore. In order to successfully install the latest version of LibreOffice, please access the libreoffice tag and open the latest article (the one on top).

The latest installation instructions for LibreOffice
Hello Linux Geeksters. As you may know, LibreOffice 4.2.2 has been recently released. For information about the new features and enhancements brought by the latest update, see the official changelog.
In this article I will show you how to install LibreOffice 4.2.2 on Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and other derivative systems.
Because it is not available via any repository, we have to download the pre-compiled binaries from the official site, extract the archive and install the rpm packages inside. Follow the instructions for you system and architecture exactly, in order to get a successful installation.
How to install LibreOffice 4.2.2 on 32 bit Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and derivative systems:
$ wget download.documentfoundation.org/libreoffice/stable/4.2.2/rpm/x86/LibreOffice_4.2.2_Linux_x86_rpm.tar.gz
$ tar -xzvf LibreOffice_4.2.2_Linux_x86_rpm.tar.gz
$ cd LibreOffice_4.2.2.1_Linux_x86_rpm/RPMS
$ sudo rpm -i *.rpm
How to install LibreOffice 4.2.2 on 64 bit Fedora, CentOS, OpenSUSE, Mageia, OpenMandriva and derivative systems:
$ wget download.documentfoundation.org/libreoffice/stable/4.2.2/rpm/x86_64/LibreOffice_4.2.2_Linux_x86-64_rpm.tar.gz
$ tar -xzvf LibreOffice_4.2.2_Linux_x86-64_rpm.tar.gz
$ cd LibreOffice_4.2.2.1_Linux_x86_rpm/RPMS
$ sudo rpm -i *.rpm