You can use Windows Update to automatically download and install the update (recommended).
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Install prerequisites
To apply this update, you must have either Microsoft Office Web Apps Service Pack 1 (SP1) or Service Pack 2 (SP2) installed. For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
2460073 Description of Office Web Apps SP1
2687470 Description of Office Web Apps SP2
Restart information
You do not have to restart the computer after you install this update.