How to obtain and install the update
Method 1: Microsoft UpdateThis update is available through Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Get security updates automatically
Method 2: Microsoft Download CenterYou can obtain the stand-alone update package through the Microsoft Download Center. To install the update, follow the installation instructions on the download page.
Download the security update for Lync 2010 Attendee (administrator level installation) package now.