Lync downloads for developers

Download SDKs, trial software, and other resources for Lync development.

Try Lync Server 2013

Register for a guided evaluation experience and download a full-featured, 64-bit, limited-time evaluation copy of the Lync Server 2013.

To start developing for Lync, you will need to download one or more of the following.

2013

2010

Visual Studio Express
A free set of tools for building applications for the cloud, desktop, phone and the web.