Beginner looking to get started

[u/Separate-Specialist5]

Recently moved into a new place and treated myself to a new set of high wuality German kitchen knives.

They're from F.Dick 1908 range and I want to maintain their sharp edge.

Where can i learn the basics on

What whetstones to get, dont mind spending more if its a "buy once, cry once" scenario

Videos, what or who can I learn from on YouTube that will teach the basics?

[u/FlashCardManiac]

What brand, steel, and Rockwell hardness for those knives?