Only videos that the content creator has allowed for offline viewing can be downloaded. For instance, you can’t download every video. Using the YouTube Android App is by far the easiest and quickest way to download YouTube videos on your Chromebook.
Using third-party YouTube Web downloaders To view your downloaded videos, click on Library and then Downloads. Google promises to keep videos on your Computer for at least 2 weeks after which you have to come back online to renew. I generally go with the highest support one which is either 720p (HD) or 1080p (FHD). You’ll be prompted to select a resolution. Now click on a YouTube video you like, then under the menu options, click on the Download button. Youtube App on Google Play Store on Chromebook So go ahead and search for the YouTube App on the Play Store and download it to your Chromebook. If you own a fairly recent Chromebook (2016 and newer), you probably already have it preinstalled. To get started, make sure that you have a Google Play Store on your Chromebook.