Before these tools can work, you must manually disable , as it prevents third-party programs from modifying Defender's settings. Open Windows Security > Virus & threat protection . Select Manage settings . Switch Tamper Protection to Off . Download and extract the tool's ZIP file. Run the executable as an Administrator .
: An open-source tool available on GitHub that can permanently disable Defender, including associated services like SmartScreen and UAC. Critical Installation Steps Before these tools can work, you must manually
The most popular small program to disable Windows Defender with one click is . This portable utility allows you to toggle the antivirus state without installation. Key Tools for One-Click Disabling Before these tools can work