Even if you find a file that installs an old alpha build, the servers for that build are long offline. You won’t be able to match with anyone. The “online fix” will likely fail to connect, leaving you with several gigabytes of dead data.
For a game to work with an "Online Fix," the game usually needs to support Listen Servers (player-hosted lobbies). Arc Raiders does not have this. It uses dedicated server clusters. Without a reverse-engineered private server (which does not exist for this game), an "Online Fix" is impossible for the final release. arc raiders online fix repack
Since the game's infrastructure relies on official servers, any file claiming to be an "online fix repack" is likely a or malware . Even if you find a file that installs