Thats big question and to be honest not a wholly Arturia related one. You are essentially asking for advice on how to set up a home studio on the basis of a couple of your instruments being Arturia.
There have been books written about this subject and videos - so I would start on Youtube.
Ask yourself some questions:
Do you want all the instruments permanently plugged in? Your interface is only a 2 inputs, so that would mean a lot of cable swapping in which case a mixer or larger audio interface may be a better solution as you have around 6 inputs required on your list and that may grow if you buy more equipment.
Likewise you may need more USB ports than are on the MacBook, so a USB hub may be required.
I would start out by drawing a diagram with all my equipment, all the inputs and outputs (audio, USB and MIDI) into a mixer/audio interface to gauge how many channels I need and add some for expansion in the future. The diagram will also make sense of the cables and wiring required. Your Keystep 37, Microfreak, Dumbrute and Behringer Pro VS Mini can all be synched via Abelton.
So in short, draw a digram to understand your needs, watch some videos for advice and if there are any Arturia specific questions when you are setting things up, feel free to ask here.
Hi @jgenco78 and welcome to The Sound Explorers Forum!
To add to what @Funtmaster has already very sensibly suggested:
Not wanting to put you off here, but i think it would be worth lowering your expectations a little at first, there is A LOT going on with your question, quite probably much more than you realise at the moment, we’re ALL new to this at some point and i’d guess that MANY of us have had that ‘OH NO!!! This is rather more complicated than i assumed’ moment more than once or twice, and possibly still do from time to time
It would be a VERY good idea to use the Ableton forums as that will be the ‘hub’ of your setup in effect, so you’ll need to be familiar with how to get midi and audio in and out of it, how it works with your interface etc.
Sart with your DAW, in your case Ableton, get to know it reasonably well before you move on to connecting external signal sources to it.
I would start that phase by exploring its Midi capabilities by hooking up your Pro VS and DrumBrute, eventually moving on to recording their audio outputs.
I also wouldn’t completely discount using Ableton’s onboard instruments, i’m a HUGE fan of hardware synths and hardware in general, i have MANY hardware synths, bass guitars and a fair bit of ‘outboard’ equipment too, but i also use virtual instruments a fair bit too. I don’t have a hardware sampler, for instance, so 99.99999999999999% of the time when i need a sampler, i’ll just load up the EMU V.
Take your time with it, don’t try and run before you can walk, keep your expectations realistic, and you’ll get there quicker and have A LOT of fun doing it.
This seem to be a question about setting up your audio interface and how to route audio from your DAW Ableton Live.
Some of your questions is about connecting your devices to your computer.
Some are USB connections to your computer.
Perhaps you have or get devices that can and need to use your midi interface MIDI connection.
Again all this is much about how to set it up in Ableton Live.
Some of your questions is about how to connect Audio outputs to your audio interface. This is about learning to use your Presonus interface.
And it’s about how to set up your Audio interface in Ableton Live, and how audio inputs and outputs work in Ableton Live.
For example Ableton Live have lots of learning videos, that you can find on this page:
Also check the documentation you have for your audio interface, and other devices.
I don’t use Ableton Live or your audio interface.
I suggest you start with your DAW, setup your devices including your Audio Interface and how to route signals in the DAW.
The above link to Ableton Live help videos can be helpful doing that.