Microsoft Office 2013 (also called Office 2013 and codenamed Office 15) is a group of office productivity software programs for the Microsoft Windows operating system and the successor to Microsoft Office 2010. Office 2013 will be available as part of Windows RT for ARM processors, and separately for the IA-32 and x86-64 versions of Windows
Microsoft Office 2013 Preview AppV packages: http://www.microsoft.com/en-in/download/details.aspx?id=30423
Microsoft Office 2013 - FREE Full Download - How to install:
Microsoft Office Customer Preview – Official Site: