adding an app youtube to launchpad

Add or remove an app

• Apps that you download from the App Store or that are included with macOS automatically appear in Launchpad. If you download an app from another source, you can add it to Launchpad by moving the app to your Applications folder.
• Learn how to delete an app from your Mac, which also removes the app from Launchpad.

https://support.apple.com/en-us/HT202635

I couldn't find YouTube App for Mac in the App.Store.

https://apps.apple.com/us/app/youtube-watch-listen-stream/id544007664