Getting the Software

You can get the OpenOffice.org installation package in any of these ways:

Download a copy from the project's home page: http://www.openoffice.org.
Download a copy using the Peer to Peer client, BitTorrent. The instructions are here: http://distribution.openoffice.org/p2p/.
Purchase a copy on a CD-ROM or other digital form from a third-party distributor. The project maintains a listing of distributors; however, these distributors are not connected with, nor endorsed by OpenOffice.org: http://distribution.openoffice.org/cdrom/sellers.html.

Installing the software

Information on installing and setting up OpenOffice.org on the various supported operating systems is given here: http://download.openoffice.org/common/instructions.html

You can also download the more detailed Setup Guide (in several languages) from http://documentation.openoffice.org/setup_guide2/index.html