EZEd's Tech Talk

Yes, as long as you have Windows Updates set to automatically install.

But if you don’t, what then?  Unless I have missed something I can find no built-in option to allow for Windows Defender definition updates and scheduling.

I personally prefer to review updates and install them when I choose.  I find it unfortunate Microsoft doesn’t allow for a higher level of user customization in regards to Windows updates.

So… what I have done in order to keep my Windows Defender up-to-date is create a task in Task Scheduler.  After you open Task Scheduler in Administrative Tools, or by searching for “Schedule Tasks”, you will see there is already a Windows Defender section.  Here is where you can add the update task.  Below are screen shots of my configuration you can use as a starting point.

If you are curious what else MpCmdRun.exe can do just type…