The latest patch for Call of Duty: Ghosts on the PC lowers the 6GB RAM requirement to 4GB, Infinity Ward has confirmed.
Official patch notes for the 400MB update will stop the game refusing to run on machines with less than 6GB RAM.
Infinity Ward also says the patch will also make the game run better on CPU's with fewer than four cores, add support for 4K textures, and offer performance improvements with AMD hardware.
The patch also adds an eSports option, containing Broadcast Mode and the option to play with the latest MLG rules in private matches.
For more information, check out GameSpot's Call of Duty: Ghosts review.