Avenger Bird Minimum System Requirements:
Windows
OS *: Windows XP
Processor: 1.5 GHz
Memory: 1 GB RAM
Graphics: DX9 (shader model 3.0)
DirectX: Version 9.0c
Storage: 180 MB available space

macOS
OS: Mac OS X 10.8+
Processor: 1.8 GHz
Memory: 2 GB RAM
Graphics: shader model 3.0
Storage: 200 MB available space

Linux
OS: Ubuntu 12.04+, SteamOS+
Processor: 1,5 GHz
Memory: 2 GB RAM
Graphics: shader model 3.0
Storage: 200 MB available space

Avenger Bird Recommended System Requirements :
Windows
OS *: Windows 7/Windows 8/Windows 10
Processor: 2 GHz
Memory: 2 GB RAM
Graphics: DX9 (shader model 3.0)
DirectX: Version 11
Storage: 180 MB available space

macOS
OS: Mac OS X 10.8+
Processor: 2.0 GHz
Memory: 4 GB RAM
Graphics: shader model 3.0
Storage: 200 MB available space

Linux
OS: Ubuntu 12.04+, SteamOS+
Processor: 2.0 Ghz
Memory: 2 GB RAM
Graphics: shader model 3.0
Storage: 200 MB 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