Secure Boot helps protect your PC by only allowing trusted software to load during startup. It’s also required by some games for anti-cheat measures, including Valorant, Battlefield 6, and Call of Duty. This guide will show you how to enable it in your BIOS.

IDENTIFY YOUR MOTHERBOARD MANUFACTURER

• Open the start menu
• Type, "msinfo", and open System Information
• To the right of BIOS Version/Date is the installed BIOS version
• To the right of BaseBoard Manufacturer is the motherboard manufacturer
• Follow instructions below for your manufacturer

ASROCK

• Boot to the BIOS by tapping F2 on startup
• Ensure you are in Advanced View (toggle with F6)
• Go to Boot > CSM (Compatibility Support Module) and set CSM to Disabled
• Press F10 to save configuration changes and reset, go back into BIOS after by tapping F2
• Go to Security > Secure Boot and set Secure Boot Mode to Custom
• Now, go to Key Management, and select install default Secure Boot keys, then when prompted to Install Default Secure Variables click Yes
• Press Install default Secure Boot keys and select "Yes" to install Secure Boot keys
• Then press the F10 key to save configuration changes and reset
• After the system restarts, go to Security then Secure Boot, and make sure that Secure Boot is showing Active.

ASUS

• Boot to the motherboard BIOS by tapping F2 on startup
• Press F7 to switch to Advanced Mode
• Go to the Boot menu, then Secure Boot
• Enable Windows UEFI Mode
• Set secure boot mode to Standard
• Press F10 then save changes and exit
• Secure boot should be enabled!

MSI

• Boot to the motherboard BIOS by tapping Del on startup
• Ensure you are in Advanced Mode (toggle with F7)
• Go to Settings > Advanced and ensure BIOS CSM/UEFI Mode is set to UEFI
• Go back to the main menu (Esc)
• Go to Security > Secure Boot and set Secure Boot to Enabled
• Hit F10 to save and exit the changes, and reboot your system
• Secure boot should be enabled!