Valorant Uefi Secure Boot Hot! -

Very few modern PCs (post-2012) lack Secure Boot. However, if you’re on older hardware:

Your hard drive was formatted for Legacy BIOS (MBR partition style). UEFI requires a GPT partition style. Solution: You must convert your drive from MBR to GPT.

If you've encountered the or VAN9001 error codes when launching Valorant on Windows 11, you're not alone. These errors signify that Riot Games' anti-cheat system, Vanguard , requires both UEFI Secure Boot and TPM 2.0 to be enabled to verify that your system is a "trusted environment". valorant uefi secure boot

Search for "tpm.msc" . It should say "The TPM is ready for use" with version 2.0. 2. Enable UEFI & Secure Boot in BIOS

This guide explains how to enable and Secure Boot to meet Valorant's system requirements (specifically for Vanguard, the anti-cheat software). Very few modern PCs (post-2012) lack Secure Boot

If Secure Boot is on but Vanguard still complains:

Riot’s decision to mandate Secure Boot is controversial but effective. It raises the bar for cheaters and improves game integrity. The good news is that enabling Secure Boot also makes your entire system more secure, not just Valorant. Solution: You must convert your drive from MBR to GPT

Without Secure Boot, Vanguard simply won’t let you play.

Secure Boot is usually disabled by default on custom-built PCs.