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To get started, you'll need to download the app, and create a DeskTube account and channel. Then you can click on the video chat button at the top and invite three friends to join in. The only downside to DeskTube video chat is that each friend will need to install the Adobe AIR app and create their own channel to participate, so it might be a tad confusing for new users. But if you're a YouTuber who's looking to video chat with friends while watching YouTube videos, then you'll gladly put with up with a few design kinks for the benefit of that function.