The easiest way to connect a printer to a mac is to use the USB cable to plug the printer into the computer. For most printers, that’s all you have to do.
The control key.
The Apple key
Switching to OS X from a PC is a big change. Here are a some of my random thoughts on the transition.
Here’s a list of some programs that you can download for free from versiontracker.com or find via a google search to supplement the software that comes with your mac.