Uac Windows 11 -

UAC in Windows 11 is still one of the most effective, low-cost security boundaries Microsoft has ever built. It’s not perfect – it doesn’t stop user-level ransomware, and it can annoy during setup – but disabling it is a serious security mistake.

Even if you log in with an administrator account, UAC makes you run most apps with standard user privileges until a system-level change is requested. The underlying mechanism hasn't changed drastically from Windows 10, but Windows 11 adds tighter integration with Virtualization-Based Security (VBS) and Smart App Control on supported hardware. uac windows 11

| Level | Behavior | Security | Annoyance | |-------|----------|----------|------------| | (Top) | Notify before any change by apps or you. Secure desktop always. | Highest | High (even changing display settings prompts) | | Default (2nd from top – recommended ) | Notify only when apps try to make changes. You changing Windows settings doesn't prompt. | High | Low to medium | | Notify only when apps try to make changes (no dimming) | Same as default but without Secure Desktop. | Medium (vulnerable to UI spoofing) | Low | | Never notify (Bottom) | Disables UAC entirely. | None (apps can silently admin) | Zero | UAC in Windows 11 is still one of