Flaming Cliffs 2 Activation Key May 2026

You cannot buy a new key from the developer. However, you have three legitimate avenues:

Using a key obtained from keygen sites, forums, or unauthorized sellers poses several problems:

Because the software is “abandonware” (not officially sold), scam websites generate fake keys. These either fail activation immediately or get blacklisted by the online master server.

If automatic activation fails or you are on a computer without internet access, you can activate manually: flaming cliffs 2 activation key

Get your Hardware Code: Open the activation window in the game. If it fails to connect, select "Other means" or "Manually" to see your unique Hardware Code.

Visit the Activation Site: Go to the official ProActive activation page.

Generate the Key: Enter your Serial Number (found in your LockOn.ru account under "Files/Download") and your Hardware Code. You cannot buy a new key from the developer

Finalize: Copy the resulting Activation Key back into the game's activation field and click "Next" or "Activate". Activation Limits & Management

Allowances: Standard copies come with 8 activations and 10 deactivations.

Hardware Changes: An activation is only consumed if there is a significant hardware change (roughly 40% of components) or an OS reinstall. If automatic activation fails or you are on

Running Out: If you exceed your limit, you can contact Eagle Dynamics Support with proof of purchase to request more. Important Legacy Note

Flaming Cliffs 2 is a legacy product and is not compatible with the modern DCS World. If you are looking to fly these aircraft in the current simulator, you should look for Flaming Cliffs 2024 or individual modules like the F-15C on the Digital Combat Simulator website.

Are you trying to recover a lost serial number from an old purchase, or are you seeing a specific error code during the activation process? Activation/Deactivaton

If you dug out your old CD case from 2010 and found the Flaming Cliffs 2 activation key, but it won't work, here is the troubleshooting checklist: