To view them in full-screen size click on the YouTube sign.
How to Save a Copy of a Performance Video to your Computer?
1.Right click the video and select copy URL e.g. https://youtu.be/5LhlnWRqXWk
2.Paste the URL on a new page and
4.Scroll down the page and press on the button that says MP4 360p SD so the video will play.
5.Right click the video and select “Save video as” This will open up the file manager for saving to your computer. Select a folder and name the file then press “save.”