The Lync Web App Join Experience
The Lync Online Soft Phone Feature and Other Devices
How to Start a Conversation with Lync Online

Office 365 Lync Installation Requirements

Lync Online is a powerful communication platform that is used for online meetings and instant communication. Lync installs as a client on your computer and has its own requirements for installation. The following table outlines the Lync installation requirements.

Lync Installation Requirements
Operating System Processors Memory Browser
Windows 7 Intel Pentium 4 + 2 gigabytes (Windows 7 or Windows Vista) Internet Explorer 7 +
Windows Vista AMD Athlon 64 + 1 gigabyte (Windows XP) Mozilla Firefox 3.0.1 +
Windows XP with SP3 or later
Windows Server 2008 with SP2 or later
Windows Server 2003 with SP2 or later

If you are using an authenticated HTTP proxy with Exchange Online, then you will need to use Internet Explorer 8 or higher. In addition, for video, the processor requirement is at least a dual core 1.9 GHz, quad core 2.0 GHz processor, or the latest version of VGA or HD.

In addition to installation requirements, Lync uses a high amount of bandwidth for communication using voice, video, and screen sharing. For these reasons, Microsoft recommends a fairly robust computer setup with at least a 128 megabyte graphics card and a microphone, speakers, and webcam. For more specific and up-to-date requirements check out the Lync requirements page.

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