From another platform (like YouTube) Press the Media button in the top menu;Choose one of the available video players;Adjust the player's size;Drag & drop it on the website page;Enter the URL to add a video to the player;Post your website to see the video live. From your device Select "Advanced" widget and choose "Custom Html";In the right toolbar "Custom Html" tab, select HTML code by pressing a pencil icon ;Insert this code: Your browser does not support the video tag. Select "VIDEO_FILE" (without quotes) and delete it;Press "Click to add file(s)" button in top right corner to choose your video file;Press "Upload New File", choose video, open, press "Select", and then "Apply" button;Video will be played with sound. From your device for background Background video will be played without sound. Select "Shape" widget and choose shape composition;Press background in right toolbar;Choose Image/Video and press ;Press "Upload New File", choose video, press open, and then "Select";Under the video choose the backgrounds video settings: opacity; start time and end time;Video will be played with no sound.