Windows Defender Definition Updates January 21, 2022
Downloading file: setup.exe (170.00 Mb)
Please select a download mirror:
External Mirror 1
External Mirror (64 bit)
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...full software details
If you encounter any problems in accessing the download mirrors for Windows Defender Definition Updates, please check your firewall settings or close your download manager.
Windows Defender Definition Updates is offered as a free download with limitations
Faster PC? Get Advanced SystemCare and optimize your PC.
Support Information
Windows Defender Definition Updates support is available ONLY from its developer Microsoft Corp..
Popular in Other Utilities
Freegate 7.90
Freegate Professional- An anti-censorship software for fast and secure Internet access
104 / 154,216
51 / 125,545
Avast Clear 21.11.6809.0
A simple utility that lets you completely remove avast! Products, cleaning your PC of all avast! traces
21 / 89,519
44 / 49,767
62 / 28,327
Featured Apps
BleachBit 4.4.2
Maintain your privacy with ease
AutoMe 7.0
Windows automation software
Secure Folder 8.1.0.2
Password protect your folders