Download Microsoft Windows Defender Definition Update December 25, 2022 Download

This package helps you install the latest Windows Defender definition updates. Windows Defender is a free program that helps protect your computer from pop-ups, slow performance, and security threats caused by spyware and other unwanted software. It features real-time protection, a monitoring system that recommends anti-spyware actions when detected and minimizes interruptions to help you stay productive.

To download and install a Microsoft Windows Defender update:

1. Check whether your version of Windows is 32-bit or 64-bit.
2. In the table on the left, click the link that will work for your version of Windows.
3. Save the file to your desktop.
4. Once the file has finished downloading, go to your desktop and double-click the downloaded file (it will be named win10-mpam-fe-x64.exe, win10-mpam-fe-x86.exe or similar).
5. Follow the instructions to install the update.