How to access UEFI or BIOS in Windows 10 to access BIOS in Windows 10 click on to the Start button then go to settings and go to update any security.
Then go to recovery into the recovery click restart. Now button in advance starter it will bring you to this screen select troubleshoot and then click Advanced Options. In Advanced Options click UEFI firmware settings and then restart.
Now the system will restart and load into the boot manager where you can find a bunch of options. Furthermore, if you go to enter setup under Diagnostics you can enter into a setup utility.
I hope I answer your question how to enter into BIOS in Windows 10 if you have more questions then please comment me on the comment box.