This video will show you how to start up with advanced startup in Windows 10.
1. Press the windows key and go into the settings menu and press on Update & Securty.
2. In this menu you will find recovery and go to advanced startup and press restart now.
1. Hit the windows key and press on the power button, whilst the it shows the two options click on the restart button whilst holding the shift key. This will then start up advanced startup.
I am not responsible for anything that happens on your machine and these tutorials are to be used at your own risk. If in doubt contact an IT professional.