Download Microsoft Lync Server 2010
180-Day Trial

Lync™ Server 2010 ushers in a new connected experience transforming communication into an interaction that is more collaborative, engaging, and accessible from virtually any location with internet connectivity. A single interface unites voice, IM, audio-, video-, and web-conferencing into a richer, more contextual offering, and a single identity makes it easier and more efficient for users to find contacts, check their availability, and connect with them. Lync Server 2010 works consistently with Microsoft Office, enriching the experience of familiar applications like Microsoft Outlook, Microsoft Word, Microsoft SharePoint, and more.
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Also Download the new Communicator Lync 2010 (The Client for Lync Server 2010)

Lync 2010 (32-bit Client)
Lync 2010 (64-bit Client)