Microsoft Lync team released updates for Lync 2010 products including: Lync 2010 (64bit), Lync 2010 (32bit), Lync Server 2010 , and Lync 2010 Group Chat Server.
The updates are free to download and are available through Microsoft Download Center and that includes all available updates for Lync 2010 products as mentioned above.
To install the update: Just click the appropriate link from the table below, and download the file by clicking the Download button and saving the file to your hard disk.
|Lync 2010 (64bit)||2571543||MS download|
|Lync 2010 (32bit)||2571543||MS download|
|Lync Server 2010||2493736||MS download|
|Lync 2010 Group Chat Server||2571550||MS download|
[Source: Microsoft UC]