See the INSTALL file included with the Freeciv distribution for up-to-date information on requirements. GNU/Linux and Windows are the primary target platforms. Note also that many OS distributors provide pre-packaged, ready-to-use distributions of Freeciv, and some more are available on the Download page. The following platforms have been reported to work at some point (outdated): For more info about installing refer to the INSTALL file, included in the Freeciv distribution.