I'm going to ask a real noob question here, but where do I extract the 7zip files to? Clicking on the .exe from the bin just causes it immediately open and then stop working, and I can't input any parameters.
You don't need to extract 7z files unless you are compiling it yourself in Visual Studio.
Otherwise you just run it from the bin folder:
e.g.
rpcminer-mod-cuda.exe -url=http://: -user= -password= -gpu=0 -gputhreads=256 -aggression=8
where
is your pool address, e.g. 127.0.0.1 if mining solo or something like api.bitcoin.cz
is your pool's port, normally 8332
is your pool login
.. you guessed it
If you get an error whilst it's running, it may because the GPU processing is taking too long and by default Windows thinks the GPU has crashed after 5 seconds. So try reducing aggression, or add "-gpugrid=256" or "-gpugrid=512".
If you are still getting problems, can you include the error text you get.