Office 2010 RTM Download: Office Professional 2010, Office Home & Business 2010, Office Home & Student 2010
If you want to try Office 2010 editions to make sure that you will buy the right one, now is your chance to grab the serial key for all of the Office 2010 RTM editions which enables you to use the fully-functional version of the products free for 60 days.

What you need to do is simply going to this page and click for the big green button, “Try it now” , for the product that you want to try. Next, a valid Windows Live ID is a must to login. Then, you can get the key code required to activate the trial fully-functional version of Office 2010 RTM for 60 days.
Office 2010 RTM Download:
Download Office 2010 Home and Business (Word, Excel, PowerPoint, Outlook, OneNote)
Download Office 2010 Home and Student (Word, Excel, PowerPoint, OneNote)
Download Office 2010 Professional (Word, Excel, PowerPoint, Outlook, OneNote, Publisher, Access)
Make sure that you have read the system requirement before you decide to download any of the editions above.