Open Settings
Go to System
Select Recovery
Under Advanced startup, click Restart now
Choose Troubleshoot
Select Advanced options
Open UEFI Firmware Settings
Click Restart
Enter BIOS or UEFI setup
Find Secure Boot in the Boot, Security, or Authentication menu
Set Secure Boot to Enabled
Save changes and exit BIOS or UEFI
Restart Windows
Open System Information
Confirm Secure Boot State is On