The interface in OCCT: OverClock Checking Tool couldn't be more intuitive. On the left, you have three different graphics showing the use of CPU, GPU and RAM. At anytime, you can run a specific test that will put these three aspects of your computer to the test to detect any possible error. Meanwhile, on the right side of the interface, you'll find a detailed summary of your computer, the temperature, voltage, frequency, and fan speed.
OCCT: OverClock Checking Tool is an incredibly useful tool that lets you monitor your PC to make sure it's running smoothly, and also diagnose any possible errors. And all this is through an elegant and user-friendly interface.