Windows Defender Definition Updates download

Windows Defender Definition Updates April 21, 2021

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Latest Windows Defender definition updates

Windows Defender is the first layer of protection for your computer. It protects Windows-based systems against spyware and malicious programs. Designed for efficient, simple use with low usage of system resources, Windows Defender offers plenty of scanning options and readable notifications.

This download contains the latest definition updates for Windows Defender. In case any problems appear while attempting to install Windows Defender definition updates, there are two separate downloads available for 32-bit and 64-bit versions of Windows operating systems.

Windows Defender Definition Updates Download Information

  • License:
    Data Only
  • Platform:
    Windows
  • Publisher:
  • File size:
    97.00 Mb
  • Updated:
    Apr 21, 2021
  • User Rating:
    4.4 / 5 (11 votes)
  • Editors' Review:
    Not yet reviewed
  • Downloads:
    49,191
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