EAGLE is available from Autodesk either as part of the Fusion 360 software package or you can a free version of just EAGLE here. Grab the version that matches your operating system (the software is available for Windows, Mac and Linux). It's a relatively light download -- about 125MB.
One of our favorite things about EAGLE is that it can be used for free! The free download is limited version for hobbyists. The free download is a Personal Learning License that may be used by individuals for personal, non-commercial use. There are a few limitations to be aware of when using the free version:
I'm new to eagle and have been searching around your tutorials and none of them say how to create a ground pour or tips and tricks on the real nitty grittys on how to create a good board, maybe a new eagle tutorial is in order. 2b1af7f3a8