In the main menu of HWMonitor Pro, select Register , then Enter Registration Key .
You may find websites or forums claiming to provide "free" or "working" license keys. It is highly recommended to avoid these for the following reasons: cpuid hwmonitor pro key
The most immediate benefit of the Pro version is the ability to generate graphs for each monitored parameter. In the free version, you see a static number (e.g., "CPU Package: 75°C"). With the Pro key, you can plot that temperature over time. In the main menu of HWMonitor Pro, select