Hearts of Iron IV: Battle for the Bosporus Minimum System Requirements:
OS: Windows 7 64-bit or newer
Processor: Intel Core 2 Quad Q9400 @ 2.66 GHz / AMD Athlon II X4 650 @ 3.20 GHz
Memory: 4 GB RAM
Graphics: ATI Radeon HD 5850 / NVIDIA GeForce GTX470 (1GB VRAM)
DirectX: Version 9.0
Storage: 2 GB available space
Sound Card: Direct X- compatible soundcard
Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

Hearts of Iron IV: Battle for the Bosporus Recommended System Requirements :
OS: Windows 7 64-bit or newer
Processor: Intel Core i5 750 @ 2.66 GHz / AMD Phenom II X4 955 @ 3.20 GHz
Memory: 4 GB RAM
Graphics: ATI Radeon HD 6950 / NVIDIA GeForce GTX570 (2GB VRAM)
DirectX: Version 9.0
Storage: 2 GB available space
Sound Card: Direct X- compatible soundcard
Additional Notes: Mouse and keyboard are required. / Latest available WHQL drivers from both manufacturers/ Internet Connection or LAN for multiplayer, Up to 32 other players in multiplayer mode.

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