Information Services > Services > Video Conferencing > Skype for Business FAQ
Note: Windows users, if you are running Office 2010 or earlier, you need to upgrade to Office 2013 to use Skype for Business. The upgrade will also install the Skype for Business client for you so no further configuration is necessary.
Yes. Only the meeting organizer is required to have a Skype for Business account. All attendees may join the meeting using the Skype for Business Web App.