I bought Word 2007 last
I'm still using MS Works for a spreadsheet, but I did upgrade from Word 2002 to the 2007 version 2 years ago because the places I support are using it. Thank goodness for the free 3rd party program UbitMenu which reinstates most of the menu items we had with the 2003 version and earlier. I use the free PowerPoint viewer. I've looked at the free LibreOffice and am impressed with it, but for now I'll stick with Word 2007 and MS Works.