Sets EnableVirtualizationBasedSecurity = 0 under DeviceGuard. VBS isolates parts of Windows in a hypervisor for security; it has a real CPU cost that shows up most in gaming. Disabling can give a few percent FPS back at the cost of that isolation. Expert — weakens kernel security. Reboot required.
MaxTweaks applies this tweak with one click and snapshots your original setting first, so you can revert it cleanly at any time. A System Restore point is offered before batch changes, and every tweak links to its official source.
Get MaxTweaksOfficial documentation: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/oem-vbs