: An open-source tool available on GitHub that can permanently disable Defender, including associated services like SmartScreen and UAC. Critical Installation Steps

: A widely used portable utility by Sordum that provides a simple "Disable Windows Defender" button. You can download it as a ZIP archive from sites like Softonic or FileHippo .

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 .