Plus how to find out which version you have
How to Access the BIOS on Windows 10 (and Older Versions)
The Basic Input/Output System (BIOS) is the initial low-level code that allows your PC to boot properly when it is first turned on. Some PC users are familiar with the instruction to press a key during startup to access the BIOS, but Windows 10 offers an easier way to enter the BIOS menu.
This is especially true if your PC uses the newer UEFI (Unified Extensible Firmware Interface) menu as a BIOS replacement. Instead of repeatedly tapping your keyboard when your PC first boots, you can go straight to the BIOS. Here's how to get into the BIOS in Windows 10 and older operating systems.
Older PCs had only one type of low-level firmware responsible for booting the PC: the BIOS. For modern PCs, there are two types of firmware interfaces, and a third, hybrid type that you may encounter.
