Go to: http://www.origin.com/us/about
Click “Download Origin” (from the upper left corner)
Login into downloaded application
Install and start application, login with your Account name and Password
(create one here: http://store.origin.com/ if you don’t have).
Redeem Product Code
From the “Origin” drop-down menu (upper right corner) choose “Redeem Product Code…”,
enter your code and click “Next”.
Download your Game
After successful code verification go to the “MY GAMES” tab and start downloading.

Below are the minimum and recommended system specifications. However, you can use this link to check if the product is compatible with your setup.

System: Windows
Requirements:
OS: 64-bit Windows 10
CPU: Intel Core i5 3570 or AMD FX-6350
RAM: 8 GB System Memory
GPU: NVIDIA GTX 760, AMD Radeon 7970 / R9280X
GPU RAM: 2 GB Video Memory
HARD DRIVE: At least 50 GB of free space
DIRECTX: DirectX 11