I agree with Bob and lambada about getting a powerful computer. I will disagree with lambada about a DVD/CD burner. I would try to get an internal DVD/CD drive. IMHO you need a DVD/CD drive so you can burn your songs to CDs, create a boot disk (which you can not do with an external drive) etc. YMMV

When you are at the checkout line and they ask if you found everything say "Why, are you hiding stuff?"

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware