Assuming you know what you want:
32-BIT Pro Plus CTR
https://c2rsetup.officeapps.live.com/c2r/download.aspx?act=1&token=&platform=x86&Source=O15HUP&version=O15GA&ProductreleaseID=ProPlusRetail&language=en-US&TaxRegion=PR
64-BIT Pro Plus CTR
https://c2rsetup.officeapps.live.com/c2r/download.aspx?act=1&token=&platform=x64&Source=O15HUP&version=O15GA&ProductreleaseID=ProPlusRetail&language=en-US&TaxRegion=PR
No information is available for this page.Learn why.
http://www.technize.net/download-office-2013-final/ Office 2013 Pro Plus Direct Download Links (Final RTM Version) - unofficial site
http://www.techglobex.net/2012/11/download-microsoft-office-pro-plus-2013.html
download the offline version of Office 2013
Download Microsoft Office Pro Plus 2013 x86 (32)-Bit ISO .IMG Setup File Product (Offline) - Click Here(File Size: 667 MB)
Download Microsoft Office Pro Plus 2013 x64-Bit ISO .IMG Setup File Product (Offline) - Click Here(File Size: 769 MB)
http://heidoc.net/joomla/technology-science/microsoft/73-office-2013-direct-download-links
Microsoft Office Professional 2013 Iso
Office 2013 Pro Iso Download
The Office 2013 Professional Plus as well as Project and Visio downloads require a retail product key. They can also be activated for a 60 days’ trial period with a trial key that is available from Microsoft free of charge. These are the full standalone (offline) installers that don’t have to download the entire application from the internet when being installed.