The surest way is to check in the BIOS. As soon as you press the power button on your computer, a small blinking light flashes before boot. This is the POST stage. Power On Self Test on POST Computer. As soon as the power is turned on, the computer checks to see if any of its boot components are working. Boot when everything is working. At that point, you must enter the BIOS settings. Each computer is different. It varies depending on the brand. What is shown here is a common definition. To be sure, it is a good idea to search the internet for the relevant model number.
ASUS — F2 or Del
For Acer — F2 (for all computers), for F2 or Del (Motherboard).
Dell — F2 or F12
HP — F10
Lenovo Laptop — F2 or Fn + F2
Lenovo Desktop — F1
Lenovo Thinkpad — Enter then F1
MSI — DEL
Samsung — F2
Toshiba — F2
These are the keys. You need to be quick. You can not click on Windows. Click before boarding. Click as soon as the power is turned on. Once Windows starts up, you will need to restart and re-enter. Once the BIOS settings are up, you will see a complete list of CPU types. No one can access the BIOS. That’s why Very skilled people can not tell if you can modify the BIOS firmware. Not as good as normal users (just know how to edit the registry)