There are a few ways that you can download a video from YouTube to your computer. 

The first way is to use a website or online service that will do it for you. One popular website is www.keepvid.com. You simply copy and paste the URL of the YouTube video into the website, and it will provide you with a download link. 

The second way is to use a YouTube downloader app. There are many different YouTube downloader apps available, both free and paid. One popular app is called Tubemate. You can find Tubemate in the Google Play store. 

The third …