Office 2010 marks the first version of Office productivity suite of which the popular applications
will be available in both 32-bit and 64-bit versions. And with the availability two system architecture flavors of Office 2010, here’s come the dilemma of which editions, x86 or x64 of Office 2010 to install (check out the leaked Office 2010 official ISO
To make the decision easier, end-user only need to consider whether 64-bit
Office 2010 only if the system has already running 64-bit (x64) OS, such as 64-bit Windows 7. To install a 64-bit version of Office 2010 product, users must have a 64-bit supported operating system
on the PC. For 32-bit (x86) OS, the 64-bit Office 2010 option is definitely out.