Currently, using the map is not as easy as visiting a website or downloading an app. Instead, you'll have to download code Almutawa shared on GitHub, potentially download software, open your computer's command line, and follow a long list of instructions to make it work. If any of these words already make you feel uncomfortable or you don't know what the command line, you probably shouldn't attempt to install and set it up. Almutawa said he and other developers are currently working to make the map more user friendly, so you don't have to be a programmer to enjoy it, according to the report.
In the meantime, reporters at The Verge successfully installed the map and found that it actually worked in their testing. However, all they caught were a Meowth and Koffing.
In addition to the difficult installation process, the cheat obviously diminishes the whole purpose of the game and potentially puts you at an unfair advantage over other aspiring trainers. Further, a disclaimer warns that using the software violates the Pokémon Go Terms of Service and could get you banned. There's also a very good chance the game's developer, Niantic Labs, won't allow it stand for long (by wiping out the cheat with an update). In other words, you might just be better off using easily accessible crowdsourced Pokémon sighting maps like Poke Radar, or you can give this new real-time map a try.