Leave UAC at the default level. If prompts bother you, raise the notification slider to the second position from bottom (no dimming), but never turn it off completely.
User Account Control is a security feature introduced in Windows Vista and refined ever since. Its core job is to prevent unauthorized changes to the operating system by requiring explicit permission from an administrator before actions that affect system integrity. 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. Leave UAC at the default level
| 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 | Its core job is to prevent unauthorized changes