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Table of Contents
? Understanding the UAC Registry Key
? How to Disable UAC via Registry
? How to Enable UAC via Registry
? Additional Notes
? Alternative: Using Command Line (Optional)
Home System Tutorial Windows Series How to enable or disable User Account Control (UAC) from the registry in Windows

How to enable or disable User Account Control (UAC) from the registry in Windows

Jul 30, 2025 am 04:13 AM
Registry uac

To disable UAC, set the EnableLUA DWORD value to 0 in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System and restart; 2. To enable UAC, set EnableLUA to 1 and restart; 3. Always back up the registry before making changes, as modifying EnableLUA directly controls UAC and impacts system security, with 0 disabling prompts entirely and 1 restoring them after reboot.

How to enable or disable User Account Control (UAC) from the registry in Windows

Enabling or disabling User Account Control (UAC) through the Windows Registry is a direct method, especially useful in automated setups or when the GUI options aren't accessible. The key setting resides in the Windows Registry under a specific path, and modifying it changes UAC behavior immediately (though a reboot is usually required).

How to enable or disable User Account Control (UAC) from the registry in Windows

Here’s how to do it safely and effectively.


? Understanding the UAC Registry Key

The UAC settings are controlled by a DWORD value in the following registry path:

How to enable or disable User Account Control (UAC) from the registry in Windows
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

The specific value is:

  • EnableLUA (Local User Account Control)

This single DWORD value determines whether UAC is enabled or disabled.

How to enable or disable User Account Control (UAC) from the registry in Windows

? How to Disable UAC via Registry

  1. Press Win R, type regedit, and press Enter.
  2. Navigate to:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  3. In the right pane, locate the EnableLUA DWORD value.
    • If it doesn’t exist, right-click the right pane → NewDWORD (32-bit) Value → name it EnableLUA.
  4. Double-click EnableLUA and set its value to:
    • 0 = UAC Disabled
  5. Click OK, then restart your computer.

?? Warning: Disabling UAC reduces system security. Admin programs will run with full privileges without prompts.


? How to Enable UAC via Registry

  1. Open Registry Editor as above.
  2. Go to:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  3. Find or create the EnableLUA DWORD.
  4. Set its value to:
    • 1 = UAC Enabled
  5. Click OK, then restart your PC.

After reboot, UAC prompts will return based on the default or customized notification level.


? Additional Notes

  • There's another value called ConsentPromptBehaviorAdmin that controls how administrators are prompted, but EnableLUA is the master switch.
  • Setting EnableLUA to 0 effectively turns off UAC completely, even if other settings suggest prompts should appear.
  • This change applies to all users on the system.
  • Always back up the registry before making changes:
    • Right-click the System key → Export → save as a .reg file.

? Alternative: Using Command Line (Optional)

You can also apply this via Command Prompt (Admin) using reg:

To disable UAC:

reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

To enable UAC:

reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 1 /f

Then reboot.


Basically, it's a simple registry tweak—but powerful. Just remember: UAC is a critical security feature, so disabling it should be done only when absolutely necessary and on trusted systems.

The above is the detailed content of How to enable or disable User Account Control (UAC) from the registry in Windows. For more information, please follow other related articles on the PHP Chinese website!

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