Microsoft officially announced the new versions of Office and SharePoint today, unveiling version 2013 of each product.
While the announcement contained highlights on tighter integration and new offerings with Office 365, the new versions of on-premise downloads were also made available:
Download the Preview Versions:
- Office Professional Plus 2013 Preview Release
- SharePoint Server 2013 Preview Release
- SharePoint Foundation 2013 Preview Release
- Office Web Apps 2013 Preview Release
- SharePoint Designer 2013 Preview Release
Microsoft has also provided a SharePoint 2013 Preview Upgrade Process.