Be sure that you test the software on your preferred device in advance.
For Windows users, follow these instructions to determine whether you are using a 32-bit or 64-bit version.
You may need to login with your Pitt email address and password and complete the usual two-factor authentication process.
Mac OS X users can open Spotlight by clicking on the magnifying glass icon at the top-right and typing in "Skype for Business" to search. To perform a quick search to confirm whether or not you need to download the Skype for Business application in Windows, click on the search box next to the Start menu icon at the bottom-left and type "Skype for Business" to search. Users with Office 365 and/or Office 2016 installed should already have Skype for Business available.