In the screenshots shown below,  Microsoft Office 2010 Mondo with build 14.0.4417.1000 has been shown.

Frankly, you won’t even be able to find a slight difference from the Office 2010 Technical preview and this Beta 1 release as the main difference are bug fixes.

Installation Requirements for MS office 2010 Beta version

• 500 MHz 32-bit or 64-bit processor or higher configuration
• 256 MB of system memory or more
• 3 GB of available disk space on your system hard disk
• 1024×768 or higher resolution monitor
• DVD-R/W Drive
• Installer is around 700MB. Requires Online Activation after installation.
• Supported OS : Windows XP SP3, Vista SP1, Windows 7

Update: MS Office 2010 Beta version is no more available as the full version of Office 2010 has now been released to the market and is available for public purchase.

Standalone office applications are also available for purchase, which is mainly meant for those who have specific interest in a particular office 2010 application.

Various office 2010 applications which are available for purchase are as follows:

• Microsoft Word 2010
• Microsoft Excel 2010
• Microsoft PowerPoint 2010
• Microsoft Outlook 2010 
• Microsoft Publisher 2010

among many others

Take a look…

In fact, at this point, Microsoft has also released Office 2010 Service Pack 1 and Office 2010 Service Pack 2 for general availability so go grab the service packs for latest patches and updates, if you have bought Office 2010 for yourselves.