Pinterest video pins are basically Pinterest pins that you publish to your boards, except in video format. They were introduced to Pinterest users in early 2017 and Pinterest updated their video pin publishing format in 2019.
To download Copy the link to the video by clicking on that copy icon.
Once the link is copied on your clipboard, go to the Pinterest video downloader tool Pinotodown website and paste the link in the search box appearing at the main center of the website.
Click on the download button appearing next to the search bar.