Valorant Vanguard gains opt-in on-demand mode via Pre-Check.
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Valorant Vanguard gains opt-in on-demand mode via Pre-Check. Riot's controversial always-on kernel driver can now stay dormant until you launch a game - if your PC meets Windows 11 25H2 hardware requirements. Riot Games has begun rolling out an on-demand mode for Vanguard, the kernel-level anti-cheat behind Valorant and League of Legends, letting the driver launch only when a Riot game opens instead of loading at system start. The change went live on 24 June 2026 and is built around a set of hardware security requirements Riot calls Vanguard Pre-Check. It is entirely optional, and players who do nothing will keep running Vanguard exactly as before. What sparked the change. Vanguard has been a lightning rod since Riot introduced it to Valorant in 2020, then expanded it to League of Legends in 2024. The system operates at the kernel level - the deepest layer of Windows - giving it sweeping access to monitor running processes and block suspicious drivers. That depth is what makes it effective against sophisticated cheats, but it's also what made players uncomfortable. Vanguard's original design logic was straightforward: if cheats can compromise Windows before a game launches, the anti-cheat has to be awake before the cheats are. That is why Vanguard became infamous for starting with the operating system rather than with Valorant or League of Legends. How Pre-Check makes...
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