Deus Ex: Mankind Divided™ DLC - Season Pass Minimum System Requirements:
Windows
OS: Windows 7.1SP1 or above (64-bit Operating System Required)
Processor: Intel Core i3-2100 or AMD equivalent
Memory: 8 GB RAM
Graphics: AMD Radeon HD 7870 (2GB) or NVIDIA GeForce GTX 660 (2GB)
Storage: 45 GB available space

macOS
OS: macOS 10.13.1
Processor: 3.0GHz Intel Core i5
Memory: 8 GB RAM
Graphics: 2GB AMD R9 M290 or better
Storage: 67 GB available space
Additional Notes: The game is supported on the following Macs. To check your Mac model and when it was released, select About This Mac from the Apple menu on your menu bar.
* All 15” MacBook Pros released since Late 2016
* All Retina 4K, 21’5” iMacs released since 2017
* All 27” 5K iMacs released since Late 2014
* All Mac Pros released since Late 2013
——— The following Macs are capable of running the game but do not consistently meet the standards required for official support.
* 15" Retina Macbook Pro, Mid 2015 with AMD Radeon R9 M370X
———

Linux
OS: Ubuntu 16.10 or Steam OS 2.0 (64 bit required)
Processor: Intel Core i3-4130, AMD FX8350
Memory: 8 GB RAM
Graphics: 2GB Nvidia 680 (driver version: 367.57) AMD GPUs are not supported
Storage: 67 GB available space
Additional Notes: AMD and Intel Graphics Cards are not supported at the time of release

Deus Ex: Mankind Divided™ DLC - Season Pass Recommended System Requirements :
Windows
OS: Windows 10 64-bit
Processor: Intel Core i7-3770K or AMD FX 8350 Wraith
Memory: 16 GB RAM
Graphics: AMD Radeon RX 480 - 1920 x 1080 or NVIDIA GTX 970 - 1920 x 1080
Storage: 55 GB available space
Additional Notes: 55GB HD space includes DLC

Linux
OS: Ubuntu 16.10 64-bit, SteamOS 2.0
Processor: Intel Core i7-3770K
Memory: 16 GB RAM
Graphics: 6GB Nvidia 1060 (driver version: 367.57)
Storage: 70 GB available space
Additional Notes: AMD and Intel Graphics Cards are not supported at the time of release

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