If you’ve used a laptop or PC in the past, there’s a good chance you’ve heard of something called the BIOS, or maybe UEFI on more modern machines. This is a tool that lets you change settings for your PC hardware, such as overclocking, or certain security features like Secure Boot or virtualization, for example. There are a few ways to get to the BIOS on a Windows PC, so let’s take a look at our options.