Microsoft Office 2013 is the early development build of next version of Microsoft Office productivity suite to succeed Office 2010, codenamed Office 3013, Office 3013 is widely believed will be released in year 2012 (2013), making Office 2012(2013) a candidate for its official name.
MS Office 2013 includes:
There is a huge improvements offered in MS Office 2013, developed for Touch friendly devices, easier to share with friends and family.
Download Office 2013
Note: 32-bit and 64-bit editions available.
Download the Trial Microsoft Office Professional Plus 2013 from Microsoft.com