How to Fix Error "You are on an unsupported Operating System" (2XKO)

Seeing this error? If you are, it means 2XKO has spotted that your system is running on a Windows version it doesn’t vibe with. Think of it like trying to bring an outdated controller to the arena — the game just won’t let you in.

The good news? A quick system tune-up usually clears the way. Here’s how to fix it:

Check your Windows version

  1. Make sure you’re running a supported version of Windows for 2XKO
  2. If you’re not, update Windows to the latest version available

Try disabling compatibility mode

  1. On your desktop, right-click on your 2XKO.exe file
  2. Select Properties > Compatibility
  3. Disable Run this program in compatibility mode for...
  4. Click Apply > OK, then relaunch the game

Once that’s done, you should be cleared to re-enter the fight!

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