Activision confirms Call of Duty: Modern Warfare 4 beta dates for August
Early access starts Aug. 21, and the open beta follows on Aug. 28 across PC, PlayStation, Xbox and Nintendo, giving MW4 its first hands-on test.

Activision and Infinity Ward have set Call of Duty: Modern Warfare 4’s first public test for late August, with early access beginning Aug. 21 and the open beta opening on Aug. 28. The beta will run across PC, PlayStation, Xbox and Nintendo devices, giving players the first real shot to feel out how this year’s Call of Duty is being built before its expected release later in 2026.
Pre-order customers are slated to get early access, while the open beta will widen the field a week later. That split puts the beta in the role fans care about most: not just a promotional milestone, but the first practical checkpoint for weapon feel, pacing, platform performance and whether Activision is changing enough from recent entries to make the new game stand apart.
The timing also gives the rollout a clearer structure. Gamereactor’s summary of the schedule says the beta will be split into two weekends in late August, with the first weekend aligned to Call of Duty: NEXT on Aug. 21. That pairing matters because it turns the beta into more than a download window. It becomes the launch point for a bigger reveal cycle, with the test itself and the surrounding event feeding the same pre-release push.
Activision has already been laying the groundwork for that push for months. The publisher announced Modern Warfare 4 in May, followed that month with a post on preorder benefits and game editions. In June, it confirmed campaign early access, then brought the beta dates into the mix in July alongside Call of Duty: NEXT and a Fanatics Fest recap. The same July blog post also included a serialized weapon camo pre-order bonus, another sign the pre-launch campaign is being staged piece by piece rather than dropped all at once.
Support pages for beta access and open-beta FAQ details are already live, and platform listings on Xbox and PlayStation reinforce the cross-platform approach. That leaves the August test as the first meaningful hands-on look at how Infinity Ward wants Modern Warfare 4 to land. The real answer starts on Aug. 21, then gets wider on Aug. 28 when the open beta goes live.
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