Question

What minimum requirements to I need to think about?

Answer 1

https://www.presonus.com/products/studio-one/tech-specs

And on top of that, you may go higher with one or more of the components based upon your needs.

If you use Virtual Instruments that play hi-res samples, you'll want lots of memory

If you work with large projects (lots of audio tracks), you'll want a fast SSD

If you tend to insert a lot of plugins and work with large projects, you'll want a fast processor CPU