Europe is in turmoil. The lands are fragmented into petty fiefs and the Emperor struggles with the P..

Crusader Kings Complete

Europe is in turmoil. The lands are fragmented into petty fiefs and the Emperor struggles with the Pope. At this very moment the Pope has declared that those who go to liberate the Holy Land will be freed of all sins.
Gather prestige and piety and the world will whisper your name in awe. Will you co-opt other monarchs, and the Pope, under your leadership to liberate the Holy Land? Do you have what it takes to become a Crusader King?

Features:

Take control of one of the Great Christian Dynasties of Europe and forge the bonds of your vassals from a circle of friends into a Nation
Increase the greatness of your lands and your treasure coffins, build Cathedrals and Castles, and combat Highway Robber Bands and defecting vassals
Historical multiple-choice events will spawn from the actions of your monarch
Engage in the campaigns of the Hundred Years War, the five Crusades and the Mongol Wars during 400 years of gameplay
Reenact the crusades, defend against the Mongol onslaught, and form feudal nation-states in Europe
Introduce laws, set taxes and interact with hundreds of courtiers and nobles
Experience realtime grand-strategy based on the engine used by the award winning Europa Universalis-series
Engage in an evolutionary combat system
Play all religious orders – choose between the Knight´s Templars, The Knights of St John, The Teutonic Order or the Order of Calatrava and the Order of Santiago
Engage in fierce multiplayer battles with up to 8 players
Saved games from Crusader Kings can be converted into the format of Europa Universalis II

Minimum Requirements:

OS: XP
Processor: Pentium III 450 MHz
Memory: 128 Mb RAM
Hard Disk Space: 600 MB Free Hard Drive Space
Video Card: 4 Mb Video Card
DirectX®: 9.0c or better
Sound: DirectX 9.0c compatible sound card

To activate the Steam key you've received, follow the instructions below;

First up, open the Steam client. (If you don't have it, simply click the "Install Steam" button here => Steam Store )
Sign in to your Steam account. (If you don't have one, click here to create a new one => Steam Account)
Click on the "ADD A GAME" button in the bottom corner of the client.
Then, select "Activate a product on Steam..."
Write down or copy-paste the activation key that you've received from GamesForPlay in the window.
Your game is now visible in your library! Click on your "Library".
And finally, click on the game and select "Install" to start your download.