For Ubuntu see
It is perfect for beginners in my view. Everything is there and is a good start for people who has never used any linux systerm. Forgive me, when I say Linux I mean GNU/Unix system.
As its name indicates, though in Japanese, Nobara means wild rose and it is fair to deal with all normal office need but what makes it really a rose feeling is its GAMIING capacity. If you are worrired or not sure about the gaming experience of Linux, Nobara 40, is probably the most reasonable one you should try.
For Nobara 40 see
https://nobaraproject.org/download-nobara/