LibreOffice is a free and open source software (OSS) Office suite that can replace your need to buy Microsoft Office. Just download from the LibreOffice website. LibreOffice is base on OpenOffice.org with better patches for performance.
in reference to: LibreOffice Productivity Suite - The Document Foundation (view on Google Sidewiki)
in reference to: LibreOffice Productivity Suite - The Document Foundation (view on Google Sidewiki)