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Use the links on this page to get more information about and download the most recent updates for the perpetual versions of Skype for Business 2016, Skype for Business 2015, and Lync 2013 clients.

Download Skype Latest Version For Windows, Mac & Linux – Skype is a favorite VoIP client for phone conversations over the Internet. In addition to telephone calls to other Skypers, calls to the fixed and mobile networks are also possible. Also, functions such as video telephony, messengers, conferences and file transfers are available to users. If you are unable to access the latest version of Skype, you can export a copy of your recent conversation history or files shared. To update: Verify what version number of Skype you’re using on your desktop or mobile. If you're on version 7 or lower, select the link for your platform below to download the latest version: Windows 7, 8 or 8.1; Mac. Aug 31, 2004 About Skype for Mac Skype is a little program for making free calls over the internet to anyone else who also has Skype. It's free and easy to download and use, and works with most computers.

Note

The information in this article only applies to perpetual versions of Skype for Business that use the Windows Installer (MSI) installation technology. For example, if you installed a volume licensed version of Skype for Business, such as Skype for Business included with Office Professional Plus 2016.
The information in this article doesn't apply to Office 365 versions of Skype for Business, such as Skype for Business included with Office 365 ProPlus.
For the latest mobile client updates, go to the app store for your mobile client (iTunes, Google Play, or Microsoft Store) to view details and install updates.
To find out what version of Skype for Business you're using, see What version of Skype for Business do I have?
For more information about installing Office updates, see Install Office updates.

Skype for Business compatibility with Office 365 and your on-premises environment depends on the system requirements for your deployment:

Office 365 works with any version of Skype for Business that is in mainstream support, which includes the latest version of Skype for Business 2016. For previous versions of Skype for Business, only those that have extended support may continue to work with Office 365, although with reduced functionality. For more information, see Microsoft Lifecycle Policy.
For Skype for Business Server on-premises deployments, follow the system requirements for your version of Skype for Business:

Skype for Business 2016 client updates

Package Name	KB Number	Release Date
Update for Skype for Business 2016	KB 4484133	December 2019
Update for Skype for Business 2016	KB 4484102	October 2019
Update for Skype for Business 2016	KB 4475577	September 2019
Update for Skype for Business 2016	KB 4475548	August 2019
Update for Skype for Business 2016	KB 4475545	July 2019
Update for Skype for Business 2016	KB 4464576	June 2019
Update for Skype for Business 2016	KB 4464532	May 2019
Update for Skype for Business 2016	KB 4462234	April 2019
Update for Skype for Business 2016	KB 4462190	March 2019
Update for Skype for Business 2016	KB 4462114	February 2019
Update for Skype for Business 2016	KB 4461586	January 2019
Update for Skype for Business 2016	KB 4461545	December 2018
Security update for Skype for Business 2016	KB 4461473	November 2018
Update for Skype for Business 2016	KB 4092445	October 2018
Update for Skype for Business 2016	KB 4032255	August 2018
Security update for Skype for Business 2016	KB 4022221	July 2018
Update for Skype for Business 2016	KB 4022155	June 2018
Update for Skype for Business 2016	KB 4018367	May 2018
Update for Skype for Business 2016	KB 4018323	April 2018
Update for Skype for Business 2016	KB 4011725	March 2018
Update for Skype for Business 2016	KB 4011662	February 2018
Update for Skype for Business 2016	KB 4011623	January 2018
Update for Skype for Business 2016	KB 4011563	December 2017
Update for Skype for Business 2016	KB 4011238	November 2017
Security update for Skype for Business 2016	KB 4011159	October 2017
Security update for Skype for Business 2016	KB 4011040	September 2017
Update for Skype for Business 2016	KB 3213548	July 2017
Security update for Skype for Business 2016	KB 3203382	June 2017
Security update for Skype for Business 2016	KB 3191858	May 2017
Update for Skype for Business 2016	KB 3178717	April 2017
Security update for Skype for Business 2016	KB 3178656	March 2017
Update for Skype for Business 2016	KB 3141501	February 2017
Update for Skype for Business 2016	KB 3128049	January 2017
Update for Skype for Business 2016	KB 3127980	December 2016
Update for Skype for Business 2016	KB 3127939	November 2016
Security update for Skype for Business 2016	KB 3118327	October 2016
Update for Skype for Business 2016	KB 3118288	September 2016
Security update for Skype for Business 2016	KB 3115408	August 2016
Update for Skype for Business 2016	KB 3115268	July 2016
Update for Skype for Business 2016	KB 3115087	June 2016
Security update for Skype for Business 2016	KB 3114960	April 2016
Update for Skype for Business 2016	KB 3114846	March 2016
Update for Skype for Business 2016	KB 3114696	February 2016
Update for Skype for Business 2016	KB 3114516	January 2016
Security update for Skype for Business 2016	KB 3114372	December 2015
Security update for Skype for Business 2016	KB 3085634	November 2015
Security update for Skype for Business 2016	KB 2910994	September 2015

Download New Version Of Skype For Mac Download

Skype for Business 2015 client updates

Package Name	KB Number	Release Date
Update for Skype for Business 2015/Lync 2013	KB 4475519	July 2019
Update for Skype for Business 2015/Lync 2013	KB 4464593	June 2019
Update for Skype for Business 2015/Lync 2013	KB 4464547	May 2019
Update for Skype for Business 2015/Lync 2013	KB 4462207	April 2019
Update for Skype for Business 2015/Lync 2013	KB 4461557	January 2019
Security update for Skype for Business 2015/Lync 2013	KB 4461487	November 2018
Update for Skype for Business 2015/Lync 2013	KB 4461446	October 2018
Update for Skype for Business 2015/Lync 2013	KB 4092457	September 2018
Update for Skype for Business 2015/Lync 2013	KB 4032250	August 2018
Security update for Skype for Business 2015/Lync 2013	KB 4022225	July 2018
Update for Skype for Business 2015/Lync 2013	KB 4022170	June 2018
Update for Skype for Business 2015/Lync 2013	KB 4018377	May 2018
Update for Skype for Business 2015/Lync 2013	KB 4018334	April 2018]
Update for Skype for Business 2015/Lync 2013	KB 4018290	March 2018
Update for Skype for Business 2015/Lync 2013	KB 4011678	February 2018
Update for Skype for Business 2015/Lync 2013	KB 401163