To produce more accurate search results, try not to use words like version, download, free, crack, hack, activation, retail, unlock, password, patch, warez, full, keygen, serial, cracked, torrent, hacked, release, key, license, patch, new, code.
The word "keygen" means a small program that can generate a cd key, activation number, license code, serial number, or registration number for a piece of software. Keygen is a shortcut word for Key Generator. A keygen is made available through crack groups free to download. When writing a keygen, the author will identify the algorithm used in creating a valid cd key. Once the algorithm is identified they can then incorporate this into the keygen. If you search a warez download site for "windows xp professional black edition 2012 keygen", this often means your download includes a keygen.