If you want to test the Power Supply Unit (PSU) of your Windows computer, use one of the methods mentioned in this post.

Modern computers have components that require lots of power and given that this all costs money, here's our guide to measuring how much energy your PC uses.

You might think a shut down PC would use no electricity, but depending on your setup, it could still be drawing power. There are ways to prevent this, though.

We're talking you through how to undervolt CPU so you can keep your power consumption and CPU temperatures low.

Stress testing your CPU is a great way to make sure it's running as best it can and that its well cooled. Here's how to do just that.