Europa Universalis IV Minimum System Requirements:
PC:
OS:Windows 7/Windows 8
Processor:Intel® Pentium® IV 2.4 GHz eller AMD 3500
Memory: 4GB RAM
Graphics:NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb video memory required
DirectX®:9.0c
Hard Drive:6 GB HD space
Sound:Direct X- compatible soundcard
Other Requirements:Broadband Internet connection
Additional:Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

Mac:
OS:Mac OS X 10.6.8 or better
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, 1024MB graphics memory required
Hard Drive:2 GB HD space
Other Requirements:Broadband Internet connection
Additional:GLSL 1.3, OpenGL 2.1. Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

Linux:
OS:Ubuntu 16.04 LTS
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, 1024MB graphics memory required
Hard Drive:2 GB HD space
Other Requirements:Broadband Internet connection
Additional:GLSL 1.3, OpenGL 2.1. Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

Europa Universalis IV Recommended System Requirements :
PC:
OS:/Windows 7/Windows 8
Processor:Intel® Pentium® IV 2.4 GHz or AMD 3500
Memory:8 GB RAM
Graphics:NVIDIA® GeForce 8800 or ATI Radeon® X1900, 1024mb video memory recommended
DirectX®:9.0c
Hard Drive:6 GB HD space
Sound:Direct X-compatible soundcard
Other Requirements:Broadband Internet connection
Additional:Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

Mac:
OS:Mac OS X 10.6.8 or better
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, 1024MB graphics memory required
Hard Drive:2 GB HD space
Other Requirements:Broadband Internet connection
Additional:GLSL 1.3, OpenGL 2.1. Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

Linux:
OS:Ubuntu 16.04 LTS
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, 1024MB graphics memory required
Hard Drive:2 GB HD space
Other Requirements:Broadband Internet connection
Additional:GLSL 1.3, OpenGL 2.1. Controller support: 3-button mouse, keyboard and speakers. Internet Connection or LAN for multiplayer

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