I am a long tome photographer who began with a Mamiya C22 and graduated to the RB67 then the 645 Super, along the way Leicas, Nikons, Wista 4x5, and finally the KB Canham 5x7 wood and the metal. the wood has a 4x5 insert. When it go to be a chore with film, I relegated my "picture taking" to my IPhone and that is where I stayed until I retired a few years ago. And now at 78, I want top dive into digital. So, as a starter kit or a primer, I bought a Phase One 645DF with a Mamiya ZD back and two nice Schenider lenses. I am missing the necessary software cables to connect to my PC, Instruction manual(already downloaded much) but I need some direction as to my next steps in figuring out all the softwase upgrades for camer and back. it is a new adventure....Any advice and steerage into this unknown would be greatly appreciated. including what my short term upgrades should be as welll as my long term ones, with the understanding that this is a hobby not a career move. Thanks in advance , and regards to Yha'll!