The file size for Modern Warfare III is substantial. If the user has Call of Duty: Warzone and Modern Warfare II installed alongside MWIII, the total installation size can exceed 250 GB . Players must manage "Call of Duty HQ" file modules carefully to conserve space.
As of April 2026, Call of Duty: Modern Warfare IV has not been officially announced or released by Activision or Infinity Ward. The most recent mainline entries are Modern Warfare III (2023) and Black Ops 6 (2024). call of duty modern warfare 4 system requirements