I think its pretty much set up for you out of the box, as long as you've got automatic updates turned on.
Mine wasn't on even though updates were turned on.
It's called Windows Defender and can be found in the All Apps screen. Click on that and it'll tell you if it's on or not, if not on then turn it on there.
Windows 8.1 has caused a lot of issues with 3rd party antivirus software. Norton have an update (beta) for their products.
Personally I do not trust MS to be as good as 3rd parties whose whole liveliehood depends on producing quality av software.
If you are using 8.1 via a virtual machine, then use of MS av software is probably adequate, as the vm hd is a selfcontained environment. Even if you copy from vm to real machine, the av software in real machine should detect any issues.
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I think its pretty much set up for you out of the box, as long as you've got automatic updates turned on.
Mine wasn't on even though updates were turned on.
It's called Windows Defender and can be found in the All Apps screen. Click on that and it'll tell you if it's on or not, if not on then turn it on there.
Personally I do not trust MS to be as good as 3rd parties whose whole liveliehood depends on producing quality av software.
If you are using 8.1 via a virtual machine, then use of MS av software is probably adequate, as the vm hd is a selfcontained environment. Even if you copy from vm to real machine, the av software in real machine should detect any issues.