Good afternoon, well, in general, there are a lot of different ways to do this, but if you want to do it without problems and quickly, I can advise you to download videos using this service
https://getof.net/ . Getof.net is a free online media conversion application that allows you to record, convert and download almost any audio or video URL to common formats. Currently supported services are: YouTube (HD, 720p, 1080p, 4K), Vimeo, TikTok, Instagram, Facebook Video and many more. Just try! This free and fast converter allows you to watch your favorite YouTube videos offline on your PC, TV or almost any other device.
