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An Intel Core i5-2500 CPU is required at a minimum to run Call of Duty: Modern Warfare. However, the developers recommend a CPU greater or equal to an Intel Core i7-6700 to play the game. Provided that you have at least an AMD Radeon R9 380 graphics card you can play the game.

You need an Internet connection to initially download content. Once Modern Warfare Remastered has been downloaded, you do not need to be connected to the Internet to play/launch the Single Player Campaign or play Multiplayer locally. Will Call of Duty: Modern Warfare Remastered come as a separate disc?

You can play the game offline, but there are several things you need to do first: Install MW3 via disc or download. If you're using a disc, you'll be prompted to download a 70+GB patch. If you purchased a digital download, skip to the next step.