Let others see what you’re looking at, during a conversation or meeting, by sharing your desktop. If you want, you can give someone else control as a way of collaborating on what you’re looking at. Learn how to start and manage a desktop sharing session by watching this video. You can also share programs, like PowerPoint and OneNote.
For more details about sharing, see the Help article Share your desktop or a program in Lync.
Other videos to help you get familiar with Lync
Find even more videos in the Set up; Presence, IM, and Contacts, Make Audio and Video Calls; and Schedule, Join, and Conduct Lync Meetings trainings at Training courses for Lync 2013.