Alternately if the system has already booted into the UEFI shell, you can type in reset to force the system to reboot again. Once the prompt appears you can press any key to let system boot from Windows ISO.
Alternately if the system has already booted into the UEFI shell, you can type in reset to force the system to reboot again. Once the prompt appears you can press any key to let system boot from Windows ISO.