The biggest Call of Duty Beta continues with the Open Beta, available to all players for free, starting this Friday, August 28. Here’s all the topline intel on what you need to know before launching into the Modern Warfare 4 Open Beta. Check out the key content, including maps, modes, weapons, progression, and in-game rewards.

Modern Warfare 4 Open Beta Schedule

• All players can preload the Open Beta starting at 9:00 AM PT on Wednesday August 26, on all platforms.
• Weekend Two (Open Beta): August 28 at 10:00 AM PT – September 1 at 10:00 AM PT

The Open Beta begins at 10:00 AM PT, Friday August 28 for players on XBOX Series X|S, XBOX on PC, PlayStation®5, Steam, Battle.net, and Nintendo Switch 2. The Open Beta is scheduled to end at 10:00 AM PT on Tuesday, September 1.

How to Access and Launch the Beta on Steam (PC)

• Preload (Available Now): Open the Call of Duty®: Modern Warfare® 4 Store page, select Play Now, and Steam will automatically add the Beta to your Library and begin downloading.
• Launch (Available at 10:00AM PT on Friday, August 28): Open your Steam Library and select Call of Duty®: Modern Warfare® 4 Beta when the Beta goes live.

How to Access and Launch the Beta on Battle.net (PC)

• Preload (Available Now): Open Battle.net, select Call of Duty®: Modern Warfare® 4, choose the Beta version if prompted, and click Install.
• Launch (Available at 10:00AM PT on Friday, August 28):Press Play once the Beta is live.
  If you wish to download and play the Modern Warfare 4 Open Beta now, you can go to the store and download Call of Duty, where the “Modern Warfare 4 Beta” should automatically be selected.