To enjoy full functionality you can purchase the full version.
However, the free version limits export to 720p HD on YouTube and 1080p on Vimeo. The program also offers proxy for high-resolution 4k and 5k footage as well as handle numerous file formats. The editing tool includes multi-cam video editing, titling, video effects, 3-way color correction, and a multi-layered timeline approach and many other advanced features that form part of the paid plan.