| Scenario | Message | |----------|---------| | No code entered | FPS Monitor: Locked – Enter activation code in Settings | | Invalid code | Activation failed: Invalid code. Check and retry. | | Success | FPS Monitor unlocked successfully! Use Ctrl+Shift+F to toggle. | | Expired code | This activation code has expired. |

However, the trial version has one major limitation: a permanent trial notification watermark on your in-game overlay. To remove this visual distraction and support the developers, you must buy a lifetime license key. This code converts the trial version into the premium version. The Risks of Using Public Activation Codes and Cracks

Show/hide overlay (e.g., Ctrl + Shift + F )

Most basic monitors (like Steam or GeForce Experience) show you the average FPS. Advanced tools like (a specialized analysis tool) or RivaTuner can show you the "1% Low."

By investing in a legitimate license key, you not only support the developers of a great tool but also ensure your system remains secure and stable.

When searching for terms like "activation code fps monitor top," you will likely encounter websites offering free license keys, keygenerators (keygen), or cracked executable files. While tempting, using these sources carries massive risks for PC gamers.

A real-time FPS monitoring overlay that remains locked (hidden/disabled) until the user enters a valid activation code. Once unlocked, the overlay displays current FPS, and optionally frametime, GPU/CPU usage.