
So Microsoft Office 2013 Customer Preview has been launched in 2012. Actually, Office 2013 is known as O ffice 15. Now that Office 2013 Preview is available to download in both modes (32 bit and 64 bit). Once the download has completed, open Finder, go to Downloads, and double-click Microsoft Office installer.pkg file. How do I install Office 2013, Office 2010,. If your computer came with Office 2013 pre-installed (or if you lost your installation disc), you can still reinstall Office with your product key—you just need to download it straight from.