There are hundreds, and the honest answer is that any of these three will serve you. I'll tell you what each one is, not which one you should love — you'll figure that out yourself, live, off a stick.
what I run day to day
Arch underneath, but with a friendly installer and a desktop that's set up for you out of the box (I use KDE). Rolling release — updates arrive continuously instead of in big yearly jumps. This is the one I'm writing from.
the stable grandparent
If you want the most boring, most reliable thing there is, this is it. Half the internet's servers run on it underneath. It moves slowly on purpose, and it's proud of that. Its live ISO is the purest "just try it" there is.
the gentle landing
If you're coming from Windows and want the softest possible first step, this is the one people hand to beginners. Built on Debian/Ubuntu, with a desktop that'll feel familiar in about five minutes.
What about Kali? People ask, so let's say it plainly. Kali is a tool for security professionals — penetration testing and digital forensics. It is not a beginner's distro, and it is not a good daily driver. It's built to run from a live USB or a throwaway VM, in the hands of someone who already knows the system cold.
And the part nobody says out loud: installing Kali does not make you a hacker. It makes you a beginner holding a toolbox you don't yet know how to use. Learn part one and get comfortable on Debian or Manjaro first.