A few days ago, Microsoft unveiled the pricing and editions for Office 2010, however, there was no indication as to what the requirements for Office 2010 would be. But that question has been answered today by Alex Dubec, the product manager of the Office Trustworthy Computing Performance team.
According to Alex, users who are currently running Office 2007 and Office 2003 would be able to run Office 2010 on the same hardware. The minimum requirements are very low and Office 2010 has been benchmarked to run on a 500 MHz CPU with 256MB RAM on XP.
According to Alex, the disk space requirement has gone up due to the footprints of most office getting larger, so there will be an increase of 0.5 GB for standalone applications and 1.0 or 1.5GB for suites. So if the Office 2010 footprint is 1.6GB, the minimum disk space would be 2.0GB. The required disk space will be larger than the disk space actually used by the software.
Office 2010 will run on DirectX 9.0c compliant graphics processor with 64MB Video memory. So overall it looks Office 2010 will work on most of the current day PCs and even on computers which are a few years old. Office 2010 is scheduled to release somewhere around June 2010.
For more information on the system requirements visit this blog post by the Microsoft Office 2010 Engineering team.