SNACK three-line summary
- The full open beta for Call of Duty: Modern Warfare 4 has been officially set for August 28 to September 1.
- Early access for pre-order players runs from August 21 to 25, while the public open beta includes PS5, Xbox Series X|S, PC, and Nintendo Switch 2.
- Pricing needs to be checked separately on each regional store, but this time who can play first and when has become clear.

Snackgirls editor note
Red: “This announcement is not just a new video. It is a beta schedule you can put on the calendar. The fact that Switch 2 players can join from the second weekend is especially important.”
AIKO: “Since the pre-order and full public weekends are split, people who want to play first should look at August 21, while the timing for everyone to check it out is August 28.”
The official Call of Duty blog has revealed the beta schedule for Modern Warfare 4. The key point is the two-weekend structure. Pre-order players can enter first from August 21 to 25, while the open beta for all players will run from August 28 to September 1.
The second weekend also covers a wider range of platforms. Based on the official announcement and cross-checking, PlayStation 5, Xbox Series X|S, PC, and Nintendo Switch 2 are included. The Switch 2 side has a separately mentioned pre-order timing, so it is safer to check the actual regional store page once more for local store conditions.
What the beta schedule confirms right away
The official blog also states that Call of Duty: NEXT will take place on August 21. The event is expected to bring multiplayer information and additional reveals before the beta. In other words, August 21 is not just the start date for early access. It is also the day when major multiplayer details are set to gather.

The beta content is described as including multiple multiplayer maps and modes, new Operators, up to 19 unlockable weapons, and everything from small-scale 3v3 skirmishes to large tactical battles. The new Kill Block mode and a movement training course are also among the items to check in the beta.
What to do now is separate the dates and platforms
If you are already sure you want to buy it and want to try it first, early access from August 21 to 25 is the date range to watch. On the other hand, if you are not sure yet or want to check it with friends, you can wait for the open beta from August 28 to September 1.
Pricing and regional pre-order conditions cannot be determined from the official blog alone. It is better to decide after checking the price and edition lineup at the actual purchase location, such as the Korean store, the Switch 2 store, Battle.net, or Steam.
What this news means
Modern Warfare 4 has already drawn major attention once with its reveal trailer and Korean front setting. This time, the next step has arrived: the date when players can actually get their hands on it.
For multiplayer games, feel matters more than footage. Movement speed, engagement distance, weapon recoil, and the fatigue of a new mode are hard to judge before playing directly. That is why this open beta schedule is more than simple promotion. It is news that gives readers a practical next action.
Sources and checked date: Checked on July 21, 2026
- https://www.callofduty.com/blog/2026/07/call-of-duty-modern-warfare-4-open-beta-next-fanatics-fest-recap-serialized-camo-preorder-bonus
- https://www.youtube.com/watch?v=j_F2jgnQVcE
- https://www.gematsu.com/2026/07/call-of-duty-modern-warfare-4-open-beta-test-set-for-august-28-to-september-1
The official Call of Duty blog confirmed the Modern Warfare 4 early access beta from August 21 to 25, the full open beta from August 28 to September 1, Call of Duty: NEXT on August 21, and Nintendo Switch 2 inclusion for the second beta weekend. Pricing and regional pre-order conditions need to be checked separately on actual store pages.
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