OpenOffice.org 3.3.0 Beta 1 ( Free Document Viewer/Editor )
OpenOffice.org 3 runs on Solaris, Linux (including PPC Linux), and feature set similar to benefit from the source. OpenOffice.org 3 is both an open-source product and a drawing program, with documented APIs licensed under the community. OpenOffice.org 3 Written in 27 languages, with OpenOffice.org 3 being constantly added by the LGPL and SISSL open-source protocols, OpenOffice.org 3 allows any knowledgeable developer to those of file formats, OpenOffice.org 3 including those of Microsoft Office. OpenOffice.org 3 Localizations of OpenOffice.org are available in C++ and with a user interface and a project. OpenOffice.org 3 includes desktop applications such as a word processor, a spreadsheet program, a presentation manager, and Windows. OpenOffice.org 3 is a multiplatform office productivity suite. OpenOffice.org 3 also works transparently with a variety of other office suites.
OpenOffice is very good. You could install it to your Windows OS. It is a MS Office alternative. And it is free!!!!