No such thing legally available
you can get MS Word, Excel etc Viewers for free download
you can get add on for old Office versions (2000, 2002 , 2003) to enable you to read & write Office 2007/2010 docX xlsX format documents
Try Wordpad (free in all recent Windows)
Or Libra Office (Open Office) is free and can read & write Word compatible documents
regards
Mike Barnes