The Windows Defender is a built-in Microsoft antivirus application that is enabled on Windows 7, 8, and 10. The Windows defender boasts of excellent handling in the computer background and does not nag you every time an update pops up. The defender goes well with all the web browsers, enabling proper handling, unlike other antivirus applications.
Since we are dealing with how to install Windows Defender on Windows 10, which you can’t since the Windows defender is a built-in your system by default.You can see the steps to enable the Windows defender.