I want to share screen in an online meeting from my Nerdio desktop

With Nerdio you get Skype for Business to conduct online meetings. You can share your screen, video and audio. Follow the instructions in this article to setup a Skype meeting. 

NERDIO SUPERHERO TIP   You can start a meeting or join a meeting by simply clicking the “Join Skype Meeting” link in the appointment description area, or the “Join Skype Meeting” button in the tool bar.