dragracer, despite what mommy and daddy might tell you, downloading things like that don't get you viruses... things that come from trusted sites like adobe aren't what you need to be careful of. Downloading things from some adult sites, and other low-key sites are what you need to worry about. Also, its more important to be careful of unknown emails then from downloading things like flash...
kids, making games is not some simple task, many of the people who design them take classes of some sort to know what to do, trust me, ive tried to pick it up myself, and its just not worth it. Enjoy the games that other people make, you will save some time and money that way.