There are many ways to install software, but you get an option not available elsewhere with open source: You can compile the code yourself. The classic three-step process to compile source code:
Standing just over 2 meters and hailing from о́стров Ратма́нова, Dasuberworm is a professional cryptologist, entrepreneur and cage fighter. When he's not breaking cyphers and punching people in the face, Das enjoys receiving ominous DHL packages at one of his many drop sites in SE Asia.