You can find a free download of the game final doom by typing final + doom in the search window of your web browser, and following one of the links that results. If using a torrent program such as Bittorrent or Utorrent, type "torrent" after Final +Doom and run your search that way. Always take caution when downloading files online, as they could potentially harbor a virus or trojan software.
. Scan all incoming files with a good antivirus before and after downloading/unpacking the file. Consider borrowing the game from a friend, renting it online through a site like http://www.gameflix.com, or buying it second hand from a store, if cost is a factor.
