Surviving Mars: Revelation Radio Pack Minimum System Requirements:
Windows

OS: Windows 7 64-bit or newer
Processor: 4th Generation Intel i3 CPU or equivalent
Memory: 4 GB RAM
Graphics: HD 4600/Geforce 620/Radeon 6450 or equivalent GPUs with 1 GB of video RAM
Storage: 6 GB available space

macOS

OS: OSX 10.11 or newer
Processor: 4th Generation Intel i3 CPU or equivalent
Memory: 4 GB RAM
Graphics: OpenGL 4.1 (GeForce 600/AMD Radeon 5000 or higher) with 1GB of video RAM
Storage: 6 GB available space

SteamOS + Linux

OS: Ubuntu 16.04 x64 or newer
Processor: 4th Generation Intel i3 CPU or equivalent
Memory: 4 GB RAM
Graphics: OpenGL 4.5 (GeForce 600/AMD Radeon 7700 or higher) with 1GB of video RAM
Storage: 6 GB available space

Surviving Mars: Revelation Radio Pack Recommended System Requirements :
Windows

OS: Windows 7 64-bit or newer
Processor: 5th Generation Intel i5 CPU or equivalent
Memory: 8 GB RAM
Graphics: Geforce 750 Ti or equivalent with 4GB of video RAM
Storage: 6 GB available space

macOS

OS: OSX 10.11 or newer
Processor: Fast quad-core CPUs
Memory: 8 GB RAM
Graphics: GeForce 970-level GPU with 4GB of video RAM
Storage: 6 GB available space

SteamOS + Linux

OS: Ubuntu 16.04 x64 or newer
Processor: Fast quad-core CPUs
Memory: 8 GB RAM
Graphics: GeForce 970-level GPU with 4GB of video RAM
Storage: 6 GB available space

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