Crusader Kings II: Byzantine Unit Pack الحد الأدنى لمتطلبات النظام:
PC:
OS:Windows XP/Vista/7
Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500
Memory:2 GB RAM
Graphics:NVIDIA® GeForce 8800 or ATI Radeon® X1900 video card, 512Mb graphics memory required
Hard Drive:2 GB HD space
Sound:DirectX compatible sound card
Other Requirements:Broadband Internet connection
Additional:3-button mouse, keyboard, speakers, Internet connection for multiplayer, resolution at least 1024 x 768, Requires the base game Crusader Kings II

Mac:
OS:Mac OS X 10.6.8 or later
Processor:Intel Core Duo Processor (2GHz or better)
Memory:2 GB RAM
Graphics:ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce 9600 or higher
Hard Drive:2 GB HD space
Other Requirements:Broadband Internet connection
Additional:3-button mouse, keyboard, speakers, Internet connection for multiplayer, resolution at least 1024 x 768, Requires the base game Crusader Kings II

Linux:
OS: Ubuntu 12.04 LTS
Processor: IntelR PentiumR IV 2.4 GHz or AMD 3500
Memory: 2 GB
Hard disk space: 2 Gb
Video Card: ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce > 9600 or higher, 1024MB graphics memory required.

Crusader Kings II: Byzantine Unit Pack متطلبات النظام المستحسنة :
PC and Mac:
Additional:3-button mouse, keyboard, speakers, Internet connection for multiplayer, resolution at least 1024 x 768, Requires the base game Crusader Kings II

Activation on Steam

1)      Download & install the Steam client on your computer from   here.

2)      Open the Steam client, register and login. Then, locate the Games tab on the top menu. Click that and select “Activate a Product on Steam..”

       

3)      Enter your code that is showed on the orders page of eTail. Market and and follow the steps showed to activate your game.

       

4)      The game can be monitored now and you can see it on the "Library" section on Steam. You can download and install the game now.

5)      If you need more information and support, you can click here: https://help.steampowered.com/en/wizard/HelpWithSteam