Just download cgminer from http://ck.kolivas.org/apps/cgminer/ Unzip tze folder to any location and create a .bat file in this folder containing the line: cgminer -o http://pit.deepbit.net:8332 -u USERNAME -p PW Use your creds as USER and PW. Run the bat file. thats it.
Which file do I download? I downloaded one of them and couldn't extract the files for some reason. Do you have another link to get cgminer?