Hello all.
The first thing you need to know is how hopeless I am with computing. I'm a mechanical engineer with a hammer and computing really taxes me. But, I'm trying to get Tuner Pro to a point where I can hook it up to my 1999 C2500 5.7 Vortec Suburban - firstly as a scan tool (and the infamous cam sensor calibration) and later maybe some tuning (I'm running with LPG/propane so more advanced ignition timing could be of use). I'm so ignorant of computing that I don't even know which part of the forum I should post my question in so I'll ask it here.

I have previously had Delphi software to scan a smart and getting all that sorted I needed lots of help. Same again for the Suburban.
I've been getting a lot of help from a guy on the GMT400 forum and wouldn't be as far down the line with this without his help. So far, he's helped me find the BIN, .xdf and .ads files. But apparently I need the .ads file on Tuner Pro and that's done via the 'acquisitions' button which I don't have. It's suggested that a file went missing during install hence no 'acquisitions' button. I've re-loaded it several times and it's still the same (on W8.1 it shows 'missing MSVCR120.dll' but when copied to a W7 laptop (the one I'll be using) no such pop-up).

What do I do next to gain the 'acquisitions' button? And once I have it, how do I get .ads from the W8.1 laptop to the W7 one without it being connected to the internet? So far I've just been copying files over on a memory stick but .ads doesn't appear compatible with that.
TIA - and please please realise I am not just joking about my lack of computing abilities - I really am worse that you can imagine.