The Battlefield 4 Website announces the Battlefield 4 beta is now open to all who are interested in checking out the next iteration of DICE's military shooter series. Here's the beta overview video, and the instructions for PC users are pretty simple, as the beta is now available through the Origin client. Word is: "If you’ve been logged in to Origin for a few days, you may want to hit the "Reload" button in the upper left-hand corner to refresh your game library." Here are the system requirements:

Minimum system requirements for the Beta
OS
The BF4 Beta requires a 64-bit version of Windows Vista, Windows 7, or Windows 8 (the full version of Battlefield 4 will also support 32-bit operating systems.)
PROCESSOR
AMD ATHLON X2 2.8 GHZ
INTEL CORE 2 DUO 2.4 GHZ
MEMORY
4 GB
GRAPHICS CARD
AMD RADEON HD 3870
NVIDIA GEFORCE 8800 GT
GRAPHICS MEMORY
512 MB
HARD DRIVE
1,6 GB (approx.)

Recommended system requirements for the Beta

OS
The BF4 Beta requires a 64-bit version of Windows Vista, Windows 7, or Windows 8 (the full version of Battlefield 4 will also support 32-bit operating systems.)
PROCESSOR
AMD SIX-CORE CPU
INTEL QUAD-CORE CPU
MEMORY
8 GB
GRAPHICS CARD
AMD RADEON HD 7870
NVIDIA GEFORCE GTX 660
GRAPHICS MEMORY
3 GB
HARD DRIVE
1,6 GB (approx.)