Core keygen is a useful, yet illegal program which allows its users to install music, software, games, applications etc without going through the hard stuff. Actually, it a product key generator, which is a serial number, required to install software applications. Keygens can be distributed by the software manufacturers so as to license their software. Also, illegitimate distribution is also going on in circumstances of software piracy or copyright infringement. A core keygen allows its users to surpass the official or legal proceedings of software licensing and use particular software with the same ease. To download core keygen, you can go the given link.