Modern Warfare relies heavily on Blizzard's Battle.net or Steam servers. Compressed pirated versions only allow offline campaign play or local LAN matches. You cannot access official global multiplayer matchmaking.
NVIDIA GeForce GTX 670 / GeForce GTX 1650 or Radeon HD 7950 Modern Warfare relies heavily on Blizzard's Battle
This query breaks down into four key parts: Modern Warfare relies heavily on Blizzard's Battle