Download Test Drive - Lync Server 2013 - Part 3 of 3 from Official Microsoft Download Center

• Evaluate Microsoft's Lync Server 2013!
  
  Microsoft Lync is an enterprise-ready unified communications platform. Lync connects people everywhere, on Windows 8 and other devices, as part of their everyday productivity experience. Lync provides a consistent, single client experience for presence, instant messaging, voice, video and a great meeting experience. Lync 2013 supports multiparty HD video conferencing, modern “touch first” capabilities for fast and natural communications, and work anywhere scenarios that do not require a VPN for encryption. Lync 2013 users can connect to anyone on Skype, enabling rich communication with hundreds of millions of people around the world!
  
  How it works
  
  Work Anywhere
  Lync allows users to communicate securely and stay connected with colleagues and customers, from virtually wherever they chose to work.
  
  Lync Across Devices
  Users can switch among devices as they choose based on their needs. Lync offers familiar and consistent user experience across PC, phone, browser and tablets.
  
  Connected Experiences
  Lync connects millions of people, their communications and the applications they use every day - together. Multiparty HD video conferencing brings life and expression to Lync Meetings.
  
  Simpler to Manage
  Lync is a dependable platform for all real-time communications. A single system reduces complexity in Enterprise IT.
  
  Deployment Flexibility
  Lync lets you reach your vision of unified communications – on your timeline following your blueprint.
  
  
  Minimum Demo Requirements
  The complete topology consists of 7 virtual machines that require a minimum of 24GB of RAM and a powerful dual core or any quad core host machine, and up to 150 Gb of disk space for the full topology.
  
  A minimal Unified Communications Developer’s topology consisting of the DC virtual machine, the Lync Server 2013 Front End Edition virtual machine, the Exchange Server 2013 Unified Messaging Virtual Machine and the Terminal Services virtual machine can be run in 16GB of RAM.
  
  Notes:
  1. This trial is split over 3 download releases. The links for parts 1 and 2 are located below in the Additional Information section.
  2. This trial software is intended for evaluation purposes or proof of concept prototyping only.
  3. There is no product support for this trial. You are welcome to share your trial experience with others and to ask for advice by participating in the MSDN forums of Microsoft Lync and Microsoft Exchange’s developer forum on Technet. IT Pros can send their questions here.
  4. The VHD set has an initial grace period of 10 days and can be activated for up to an additional 180 days. Look for instructions on how to activate the VHDs in the Quick Start Guide located on this download site.
  

Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2012

• Windows Server 2008 R2 Standard
  Windows Server 2008 R2 Enterprise
  Windows Server 2012 Standard
  Windows Server 2012 Datacenter
  
  Windows Server 2008 R2 or Windows Server 2012 Hyper-V is required to use this virtual machine. In addition to the system requirements for Windows Server 2008 R2 or Windows Server 2012 as described in the release notes, a 64-bit system with hardware-assisted virtualization enabled and data execution prevention (DEP) is required.
  
  It is also recommended to ensure that you have a clean install of x64 edition of Windows Server 2008 R2 or Windows Server 2012 to be able to use the Hyper-V technology.
  
  Prerequisites, installation steps, OS recommendations, and known issues of Hyper-V can be found here.