You need to identify your download package, depending which version you have installed.
How to obtain and install the updateThe following files are available for download from the Microsoft Download Center:
Lyncloc (THIS MEANS: LYNC 2013 BASIC CLIENT - downloadable version)Download the x86 package now.
Msores (THIS MEANS: LYNC 2013 FULL CLIENT with OFFICE 2013)Download the x86 package now.
Author: Thomas Pött Managing Consultant Microsoft UC