After you have done editing a project, you can export a project to a video, audio file, GIF.
Before exporting a project, click the play button in the preview window to make sure there is no problem.
To export a project, click "Export video and play" in the top menu bar.
And the export project panel will pop up for you to configure the file format, path, resolution, etc.
Click the "Export" button in the export panel to starting exporting the project. The project is successfully exported when the progress bar reaches 100%.