This article describes update KB2986257 for Microsoft Office 2010 that was released on May 12, 2015. This update has a prerequisite.
How to download and install the update
Microsoft Update
Use Microsoft Update to automatically download and install the update.Download Center
This update is also available for manual download and installation from the Microsoft Download Center. If you are not sure what platform (32-bit or 64-bit) you are running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files .
Update information
Restart information
You may have to restart the computer after you install this update.Prerequisite
To apply this update, you must have Microsoft Office 2010 Service Pack 2 installed.References
See the information about the standard terminology that is used to describe Microsoft software updates . The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office.