Click the Export tab. Choose Computer/HD Video for YouTube (MP4 H.264 recommended). If you are using the trial version, you will see a large watermark across the video here. You must purchase a license key to remove it.
To begin a project, you can import media files directly from your hard drive, capture live footage from a camera, or record your screen. Managing Timeline/Storyboard - AVS4YOU >> Online Help avs video editor 65