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Microsoft Windows 10 Security (Defender) review

£0.00 Typical price

Test score %

Key features
  • Free
  • PC
Reviewed

Previously known as Windows Defender, Windows Security comes pre-installed on all Windows 10 computers and offers protection against malware and phishing attacks. However, we have found in the past that it is not powerful enough to protect against every piece of malware we threw at it. Find out how it fared in our latest round of antivirus testing in our full review.

Included in our expert review
  • Pros and cons
  • What is it?
  • How well will I be protected?
  • What’s it like to use? 
  • Is there anything I should watch out for?
  • Should I use it?
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Technical specifications

General

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test antivirus software packages
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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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We have tested 32 antivirus software packages and found that there are 0 Don't Buys and 8 Best Buys.
Range of Antivirus software package scores
  1. 48%
    Lowest score
  2. 73%
    Average score
  3. 84%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to antivirus software packages we've tested
Try Which? for £1
You can cancel at any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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