If they're on android, try revanced. It's a patched YouTube apk, so the interface is the same (unless you change stuff, like, for example, disabling shorts - but by default, it's the same).
If they're on android, try revanced. It's a patched YouTube apk, so the interface is the same (unless you change stuff, like, for example, disabling shorts - but by default, it's the same).