1. Download and install VLC media player from Here (Available for Mac and Windows), If you have already then skip this step .
2. Open VLC media player.
3. Press CTRL+N OR Select Media->Open Network Stream! The Network Protocol dialogue box will open!
4. Just Type screen:// in the box as shown below and hit enter or click on play!
5. Voila! Now guess what's going on VLC Media Player!