Phase One H5 captureone version

I have just bought a used Phase One H5 back, and a new Silvestri Mamiya RB67 plate / Hasselblad V adapter to try out digital imaging with an RB. If this goes well, I will upgrade to a more modern back.

Two dumb questions:

- do I need a wake-up cable AND a flash cable for correct operation

- I am using old macbook OS X Lion with 10.7.5. I want to buy Captureone perpetual license for it, but there seems no way to do so. I want to keep the macbook as the firewire connection seems reliable and sees the camera fine.

Thank you and apologies is tjis has been raised before