The question of whether Valorant requires Secure Boot on Windows 10 is one of the most common points of confusion for players transitioning between operating systems or dealing with the Riot Vanguard anti-cheat system. While the short answer is generally no, there are specific nuances depending on your hardware and security settings.
If you switch from Legacy to UEFI and your computer fails to boot into Windows (giving you a black screen or "No Boot Device" error), it means your hard drive is formatted as MBR. You will need to use the Windows mbr2gpt command-line tool to convert your drive to GPT to support UEFI and Secure Boot. does valorant require secure boot on windows 10
Windows 10 supports Secure Boot, but it is not enabled by default on all PCs. Many custom-built gaming PCs or older OEM systems (pre-2016) have Secure Boot disabled or set to “Other OS” mode. The question of whether Valorant requires Secure Boot
When your PC starts up, the firmware checks the signature of each piece of boot software, including UEFI drivers and the Operating System. If the signatures are valid (trusted), the PC boots. If they are not (for example, if a rootkit or malware has tampered with the boot files), Secure Boot blocks the boot process. You will need to use the Windows mbr2gpt