While there is no official standalone "YouTube app" for Windows 7, you can effectively "download" it by creating a Progressive Web App (PWA) through a modern browser or by using dedicated third-party clients. How to "Download" YouTube on Windows 7

Error 3: Video downloaded but no sound

Cause: YouTube splits video and audio tracks (DASH format). The downloader didn’t merge them.

• Be aware of copyright laws: Make sure you're not infringing on any copyright laws by downloading videos without permission.
• Use reputable software: Only use reputable software and browser extensions to avoid malware and viruses.
• Check video quality: Check the video quality before downloading to ensure it's worth the storage space.

Risks: