Read the original on Steam ↗In cooperation with the BattlEye team, we have prepared a hotfix for Arma 2 Operation Arrowhead.
This hotfix adds BattlEye support for Windows 11.
If you experience issues with this Operation Arrowhead update, we have made a "legacy" version available on Steam.
To download this build, please go to your Steam library, right-click on Arma 2: Operation Arrowhead, select "Properties".
In the Properties window select the "BETAS" tabs, and use the drop-down menu to select "legacy".
After you click on the "Close" button, Steam will automatically begin to download the previous version of the game.