Maptools is a great program, but can have a pretty steep learning curve. Here’s a rough guide to getting stuff done.
The first thing you’ll see is this dialogue. You will want your settings set to at least these values, but it probably wouldn’t hurt to double the memory values. Just remember to keep them as powers of 2 (computers are funny about that).
The second thing you will do is connect. Do this through File > Connect to Server, click the direct connect tab, and then enter in the server information that I will give out eventually.
(more will be added later)