You can pre-load on September 27th, then play on October 1st.
EA does have a resource surrounding other questions about the Battlefield 4 Beta: https://help.ea.com/article/battlefield-4-exclusive-beta-access-information
Rise from the ashes and fight for survival! In Battlefield 3: Aftermath, players fight for supremacy amongst shattered streets and buildings across four earthquake ravaged maps.
This launch trailer features footage from all four maps and features the new crossbow, vehicles, and the new Scavenger game mode where players armed only with a pistol must search the environment for more powerful weapons.
Coming this September, Battlefield 3: Armored Kill is the next digital expansion pack in the Battlefield 3 series and introduces a host of exclusive in-game content, new vehicles, assignments and more.
Taking vehicular mayhem to the next level as only Battlefield can, Battlefield 3: Armored Kill features 5 new drivable vehicles including mobile artillery, tanks, ATV’s complete with over 20 vehicle specific unlocks. Players will also have the ability to spawn in the all-new gunship and rain death from above.