To play safely and access online multiplayer, you must purchase a license through official retailers: Arma Reforger on Steam
The specific version you mentioned, , was a minor update released on January 12, 2023 . Since then, the game has undergone numerous updates and is now on much newer versions (e.g., v1.0 and beyond) following its full release. Official Purchase & Download Options
is not a free-to-play game. It is a paid title currently retailing for $39.99 on major platforms. While some third-party sites may advertise "free downloads," these are generally unauthorized and pose significant security risks to your device.