Yes you heard it right. Screen sharing on Skype on desktops is now free.

you can.
Earlier it was like you have to apply for a subscription to Skype Premium to share screens with two or more people. Now not any more, no subscription required, no charges. It's absolutely FREE.
According to Skype blogs many users have already informed how useful screen sharing is. For many things like the tech support for family or clients or language tutoring or even gaming.
We know this is a great feature to have, so it's great that Microsoft have introduced this and have offered a free screen sharing for groups.
Try it today and let us know what you think of this in the comments below.
Just get the latest version of Skype for Windows or for Mac OS.
Source : Skype blogs