Use Microsoft Office Professional Plus 2013, a productivity
suite of software for editing documents, creating spreadsheets,
making computer slide shows, reading email and more.
Microsoft only manufactures Office 2013 for Windows systems. For Macintosh, they manufacture Office 2011. If you want to run Office 2013 on your Macintosh computer, you must use Parallels, Boot Camp or VMWare and your computer must meet the requirements.