Use YouTube Premium’s official download feature in the YouTube app for offline viewing on supported devices
Use YouTube Studio to download your own uploaded videos
Check whether the video owner has provided a direct download link or file
Use a browser-based download feature only if the video is explicitly offered for download by the creator
Avoid downloading videos from YouTube using unauthorized third-party tools if you do not have permission
Respect YouTube’s Terms of Service and copyright laws
If you need offline access, save the video to a playlist or watch later list instead