Ubuntu Precise: Install LibreOffice 4.0.0 full suite

LibreOffice 4.0.0 is released and you can download the installation file from LibreOffice site. Two files are to be download:

LibreOffice_4.0.0_Linux_x86_deb.tar.gz (170 MB)
LibreOffice_4.0.0_Linux_x86_deb_helppack_en-US.tar.gz (9 MB)

Before proceeding, first uninstall the existing LibreOffice installation via terminal, by:

sudo apt-get remove libreoffice*

Now go to the downloaded files.