Updated: Aug 30, 2026 5:26am UTC
It’s that time of year again—Call of Duty is back with the Modern Warfare 4 beta, which runs over two weekends. The Early Access period runs from August 21-25, followed by the Open Beta which runs from August 28-September 1. Throughout both weekends, players have the opportunity to test out new maps, modes, and features, as well as play the first campaign mission and experience a new Warzone Resurgence map.
In addition to testing out all new maps and features, it wouldn't be a Call of Duty beta without earning some rewards. Thankfully, this guide explains everything you need to know about the Call of Duty: Modern Warfare 4 beta, including the full beta schedule, all maps and game modes available, rewards, and how to get your hands on an early access code without pre-ordering the game.
Call of Duty: Modern Warfare 4 Beta Schedule
All Maps and Game Modes Available in the MW4 Beta
Week One Maps and Game Modes - Early Access Beta
Week Two Maps and Game Modes - Open Access Beta
All MW4 Beta Rewards
How to Get a Code for the MW4 Early Access Beta
How to Access Your Free Discord Nitro MW4 Beta Code
How to Download the Call of Duty MW4 Beta
MW4 Beta FAQs
Can You Preload the MW4 Beta
Will Beta Progress Transfer Over to the Main Game
How to Enable SecureBoot for PC
Call of Duty: Modern Warfare 4 Beta Schedule
The Call of Duty: Modern Warfare 4 beta runs over two weekends. The first weekend is the Early Access Beta, which runs from August 21 to August 25.
CoD MW4 Early Access Beta (ended)
From: August 21, 2026 at 6:00pm - August 25, 2026 at 5:00pm
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Early Access Beta - Weekend One:
Starts: Friday, August 21 at 11AM PT
Ends:Tuesday, August 25 at 10AM PT
Available Platforms: Xbox Series X|S, PlayStation 5, Xbox on PC, Steam, Battle.net
Pro Tip: Don't want to purchase CoD: Modern Warfare 4 just for the Early Access Beta? If you have an active Discord Nitro subscription, you can redeem a free code as part of your perks!
The second Call of Duty: Modern Warfare 4 Beta weekend is the Open Access Beta, which is available for free for all players from August 28 to September 1.
CoD MW4 Open Access Beta (live)
From: August 28, 2026 at 5:00pm - September 1, 2026 at 5:00pm
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Open Access Beta - Weekend Two:
Starts: Friday, August 28 at 10AM PT
Ends: Tuesday, September 1 at 10AM PT
Available Platforms: Xbox Series X|S, PlayStation 5, Xbox on PC, Steam, Battle.net, Nintendo Switch 2
What's the Best Multiplayer Map in the MW4 Beta?
Rooftops
Silkworm
Transit 213
Cachette
Lotus
Kill Block
Lithium
AnswerSee Results
All Maps and Game Modes Available in the MW4 Beta
During the MW4 beta, you will have access to ten brand-new maps and game modes, with the schedule for each weekend differing slightly.
Some of the biggest changes include the Early Access Beta period introducing Kill Block and the first campaign mission, Entrenched. The Open Access Beta on the other hand introduces two new maps for Ground Wars, as well as a new Warzone Resurgence map. To learn more on what's to offer each week, see our breakdowns below:
Week One Maps and Game Modes - Early Access Beta
Week Two Maps and Game Modes - Open Access Beta
Week One Maps and Game Modes - Early Access Beta
Maps:
Rooftops
Silkworm
Transit 213
Cachette
Lotus
Kill Block
Multiplayer Game Modes:
Team Deathmatch
Domination
Hardpoint
Kill Confirmed
Source: Archive source notes. This is an independent Call of Duty: Modern Warfare 4 reference page.