VAN:RESTRICTION- secure boot not enabled
Hello everyone, im a windows 10 player and i cant open valorant for a long time now. i already tried the guide of this link (https://support-valorant.riotgames.com/hc/pt-br/articles/22291331362067-Restrições-do-Vanguard) but i cant change my mbr OS disk to GPT because, as it says, "cannot find room for the EFI partition system". i searched for uncountable tutorials and nothing worked, pls help.
extra info:
motherboard: asrock b450m steel legend
My OS is in an disk:0 ssd
extra info:
motherboard: asrock b450m steel legend
My OS is in an disk:0 ssd

Suporte de VALORANT
Se detectarmos computadores que permitem trapaças (por exemplo, porque o Windows está desatualizado ou certas configurações permitem trapaças), o Vanguard restringirá o acesso deles ao VALORANT e e...

Solution
Please press the "F2” key during POST to enter BIOS setup.
Go to Boot\CSM (Compatibility Support Module) and set "CSM" to "Disabled".
Press the "F10” key to save configuration changes.
Go to Security\Secure Boot and set "Secure Boot Mode" to "Custom".
Please press "Install default Secure Boot keys" and select "Yes" to install Secure Boot keys.
Set "Secure Boot" to "Enabled". Then press the "F10" key to save configuration changes.
Go to Boot\CSM (Compatibility Support Module) and set "CSM" to "Disabled".
Press the "F10” key to save configuration changes.
Go to Security\Secure Boot and set "Secure Boot Mode" to "Custom".
Please press "Install default Secure Boot keys" and select "Yes" to install Secure Boot keys.
Set "Secure Boot" to "Enabled". Then press the "F10" key to save configuration changes.