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Common problemRainbow SixWindows PC
Can't play Legend Division in Rainbow Six Siege
PC security features are not turned on
On PC, R6 ShieldGuard Secure Platform requires extra Windows security features before you can enter the Legend Division in Ranked.
Fix it
How to fix it
In the game, select Play, then open the Security Requirements menu to see what is missing.
Turn on TPM 2.0 first, using Microsoft's guide.
Then turn on Secure Boot.
Then turn on Memory Integrity (HVCI).
Check the result in Windows Security under Device security.
From Rainbow Six's help pages: ubisoft.com, in our words. Checked on 11 November 2026. If the steps do not help, Rainbow Six's own support is the next stop.
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