: NVIDIA GeForce 8600 GT / ATI Radeon HD 2600 XT or better Storage : 20 GB available space XCOM: Enemy Within on Steam
: Often provides discounted Steam keys, with recent prices as low as $9.99 $5.39 (46% off). Humble Store : Sells the Steam version for $9.99 . Minimum System Requirements for PC xcom-enemy-within-pc-game-full-version-free-download
: Offers a DRM-free version of the Complete Pack, which is often recommended by users over the Steam version due to simpler license terms. : NVIDIA GeForce 8600 GT / ATI Radeon
If you do not have Prime, you can purchase the game from these authorized retailers: If you do not have Prime, you can
XCOM: Enemy Within is not legally available as a free download for PC; it is a paid expansion for the base game, . However, you can currently get the XCOM: Enemy Unknown Complete Pack (which includes the Enemy Within expansion) for free if you have an active Amazon Prime subscription via Prime Gaming until July 1, 2026. Official Purchase Options