• Sign in to Office 365. • At the top of your Office 365 page, choose > Office 365 settings. • Choose Install and manage software.

• Choose Skype for Business > Install to download the Lync for Mac 11 installation program onto your Mac. If you don't see Skype for Business listed, then it's not included with the you have.

At the Microsoft download center, choose Download to download the Lync for Mac 2011 update program onto your Mac. The lync_14.x.x>_.dmg file is downloaded onto your computer. This is the Lync for Mac 11 update. Microsoft Lync is the new rich client for Lync users on the Mac platform and offers integrated functionality for instant messaging, presence, conferencing and voice. Lync for Mac is designed to work with both Lync Server 2010 and Lync Online to help you: Control communication costs; More.

The lync_14._.dmg file is downloaded onto your computer. This is the Lync for Mac 11 installation program. • After the Lync for Mac 11 installation program downloads to your Mac, go back to the Skype for Business page, and choose Lync for Mac 2011 update. • At the Microsoft download center, choose Download to download the Lync for Mac 2011 update program onto your Mac. The lync_14._.dmg file is downloaded onto your computer. This is the Lync for Mac 11 update.

• After the programs are finished downloading, go to Downloads on your Mac. You'll see two Lync programs there. • Choose the first one, lync__.dmg, to open the installer. Important: Depending on your Mac settings, the Lync Installer might be blocked from running because it's not from the Mac App Store and identified developers.

Open the General pane of Security & Privacy preferences, choose the unlock icon, and then choose Anywhere to allow the Lync Installer to run. • Choose the Lync Installer button to start the installer. • Follow the prompts in the Lync for Mac Installer until it's finished, and then choose Close at the end. • Next, go back to Downloads on your Mac, and choose the update program, lync__-2.dmg.

• Choose the Lync Installer button to start the installer for the update. • Follow the prompts in the Lync for Mac Installer until it's finished, and then choose Close at the end. You're done installing Lync for Mac 2011. Now you're ready to sign in for the first time. Were these steps helpful?

When you purchased a Skype for Business Online Plan, you created an Office 365 user ID at the same time, even though you didn't purchase Office 365. To install Lync for Mac 2011, you need to sign in to Office 365 first. Here's how you do that: • Locate your Office 365 user ID. You received an email from the Microsoft Online Services Team that contains your Office 365 user ID. It looks something like this: • Go to and enter your Office 365 user ID and password. After you sign in, you'll see the Office 365 admin center. • Choose Download software.