Statistically speaking most people here are running on an unrooted Android device.
Thus, giving a slightly more advanced answer going over the Root Install method is mostly useless.
Either way, I've been doing this for 8 years, I know what I am talking about.
NewPipe is one of the best recommendations.
There is also LibreTube, and YouTube ReVanced
LibreTube depends on a Piped instance, and YouTube ReVanced will need a specific youtube-version and MicroG for Vanced.