download Bitcoin mining software to a networked computer.

After you've connected your hardware, you need to download software so you can mine Bitcoin.

There are a number of different mining programs to choose from. Two of the most popular are CGminer and BFGminer. 

these are both command-line programs, so if you aren't particularly tech-savvy, they may present a challenge for you

Most of the mining software that works on Windows will also work on Mac OS X machines.

EasyMiner has a graphical interface that is more intuitive and easier to use, especially if you're a beginner with limited computer skills.

EasyMiner works on Windows, Linux, and Android machines.

As of 2019, EasyMiner does not have a Mac OS X version.