Windows 10: How Do I Start Using Windows Defender & How Good Is It?

I just received notification from Comcast that Norton Online Security will no longer be "free" to Comcast customers. I have never used Windows Defender, but this has convinced me to give it a try. First of all, how good is it? And second, how do I start using it? Does it need to be configured, etc.

My Windows version is 20H2 (OS Build 19042.572)

Thanks

:)

 

window defender

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      You will want to print these instructions for offline reference -
      

IMPORTANT => DON'T SKIP ANY STEP perform all Steps in one uninterrupted session - If a Step says to reboot
reboot.

Problems starting Windows Defender in Windows 8/8.1/10

Pləase let us know what fixes the problem or if the pяoblem remains.

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Windows Defender Anitvirus

Hello,

There are multiple reasons why you are having issues, enabling Windows Defender. To assist you with your concern, you can refer to
PrashantKumar96's
Forum Article on how to fix Windows Defender not starting.

We suggest that you try the troubleshooting steps listed there, especially the number six troubleshooting step.

Let us know of the outcome.

Regards.

 

Good alternative to Windows Defender on 8.1

I had to do a format and reinstall on my main rig, and thought I may as well upgrade to 8.1. My only real gripe is my Downloads folder lagging like hell, which I've read is due to Windows Defender. Now I really like MSE/Windows Defender because it's unobtrusive and lets me do what I want to do without pissing me off. Several attempts to try another antivirus program have always resulted in me going back to MSE (either due to viral infection or general annoyance). The lagging, while not an issue per se, is annoying the hell out of me. So I'd like suggestions for a good, free alternative that will be unobtrusive, not try to block everything I want to do (I'm smart enough to know what I'm doing), and not make my PC lag even when running a schedules scan.

Thanks.