Here is how to Open UEFI BIOS settings in Windows 10
1- Open the start menu.
2- Select Settings.
3- Next, select the Update and Security option.
4- Once the window opens, click on Recovery.
5- You will be able to see Advanced Start up. Under Advanced Start Up , click on Restart Now.
6- Click on Troubleshoot.
7- Next, advanced options.
8- Click-UEFI firmware settings
9- Finally hit Restart.
Source:- [http://merabheja.com/open-uefi-bios-settings-in-windows-10/|http://merabheja.com/open-uefi-bios-settings-in-windows-10/]