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Microsoft Defender Antivirus is an application that can prevent, remove, and quarantine malicious software, including spyware. Setting this value to true will not change Microsoft Defender Antivirus behavior on client devices both managed and unmanaged. This setting only applies to Windows Server. Skip to main content.

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Still, in the event that your decide TotalAV isn't for you, we think you should get your money back. The pricing shown for the antivirus protection plan excludes VAT value-added tax , in some countries this is also known as GST goods and services tax.

The rate applied for your location is charged at At TotalAV we believe that everyone should be able to run a free antivirus scan allowing you to quickly identify and remove harmful malware, unwanted applications, and privacy concerns.

You can then quarantine or delete threat for free and action any security recommendations. That's not all, if you want to experience the full protection of our premium service, you can activate a trial of our real-time protection which will block threats before they get a chance to infect your computer. Trusted worldwide by over 25 million users. Free Download Learn more about our free antivirus.

Anti-Malware Our advanced anti-malware engine will protect your digital world against infections caused by many types of malware. Real-Time Antivirus Scan and instantly block threats in real-time before they get a chance to infect your system Premium Feature. Spyware Removal Spyware software's sole purpose is to gather information about you to share it with other entities that can financially benefit from it.

Adware Cleaner Adware, or software created to aggressively advertise at you, is often unknowingly downloaded and can be very hard to remove. Anti-Ransomware Avoid becoming a victim of malicious attacks which encrypt users files and demand a ransom payment to decrypt them. Advanced WebShield Advanced protection against malicious websites and block attempts to steal your personal information. Eliminate Tracking Cookies Although tracking cookies are not directly harmful, they do raise privacy concerns which we can help to overcome.

Junk Cleaner While junk files do not cause any harm, they waste disk space unnecessarily and can safely be cleaned from your system. Browser Cleanup Cleaning your browser data will improve security and speed. Free Download.

Award Winning Antivirus Protection We test the premium version of TotalAV Antivirus Pro alongside the world's leading antivirus software providers to ensure that we provide our users with impenetrable protection.

Rapid install speed avoiding interruptions Keep gaming, image and video editing and other resource-intensive activities Powerful on-demand protection packed into a light solution Free Download. Password Vault Never lose a password again with this handy security add-on. Ad Block Pro Fed up with annoying and intrusive adverts disrupting your browsing or watching. Totally awesome! The best I have ever used. Sheila S. Avast is now saying the right things about taking its customers' privacy seriously , but it only came to that point after reacting to investigative reporting that revealed the Jumpshot practices.

The CCleaner revelations, while concerning, were self-disclosed, which is important to building user trust. We hope Avast's more privacy-friendly policies mean that there will be no further Jumpshot-style activities and it returns to glory as one of the best antivirus software. In the meantime, we'd recommend using one of the many other solid choices in this realm listed above. Because the company has been in the news the past few years, let's talk about Kaspersky Lab -- specifically about the federal ban that blocks US government agencies from using Kaspersky Antivirus products.

Based in Moscow, Kaspersky Lab has for years produced some of the best antivirus software for business antivirus needs and home customers. But in the US government prohibited Kaspersky security cloud software on federal government computers because of alleged ties between Kaspersky and the Russian government.

But as with China-based Huawei , the question remains: If the federal government doesn't think the products are safe enough for its own devices, should consumers avoid them as well? In a statement sent to CNET, the company said, "Kaspersky Lab has no ties to any government, and the company has never, nor will ever, engage in cyber offensive activities. Kaspersky Lab maintains that no public evidence of any wrongdoing has been presented by the US government, and that the US government's actions against Kaspersky Lab were unconstitutional.

In Kaspersky's favor, it continues to earn top scores and awards for virus and malware detection and endpoint protection from independent testing labs. And it's reasonably priced. In the end, even though no one has ever publicly produced a "smoking gun" linking the company to Russian intrigue, we think any of the options listed above are a safer bet.

And if you are a US government employee or work with the federal government, you'll want to steer clear of Kaspersky internet security products -- and perhaps use one of the antivirus software products mentioned here instead. Picking the best antivirus software for Windows means finding one that keeps your PC safe, doesn't take up a lot of system resources, is easy to use and stays out of the way till you need it.

Here's what to look for. Antivirus software runs virus scans for known viruses and malware, of course, and can offer real-time protection. And it watches for shady websites and suspicious links to keep you out of trouble. It can also offer ransomware protection and monitor unexpected behavior that may be a sign of new and not-yet-identified viruses and malware. You want antivirus software that can successfully identify these unknown online threats without flagging too many false positives.

Light on system resources. You don't want antivirus software that taxes your PC's resources. If after you install the program, websites open slowly, apps download or open sluggishly or file copies take longer than expected, you may want to try another service.

The good news is, all our picks offer a free trial to let you try out the antivirus program, so if your system feels sluggish after installation, you may want to keep looking. Cost and discounts. Don't just pay the sticker price for antivirus protection.

Before you buy, check for discounts on a company's website. Another way to save: The prices we list above are for 10 devices -- if the company offered that package -- but you can trim your cost with antivirus packages if you need to cover three or five devices. You may also find discounts on an app's Amazon page. To be effective, antivirus software needs to monitor what's going on with your PC, check in with company servers about unusual behavior and should provide sound banking protection.

The companies say they anonymize this technical data as much as possible to protect your privacy. But if you want to know more, the security companies on our list post privacy policies on their websites, so read their privacy statements to learn what the companies do with the information you share.

Protection for other platforms. Microsoft is by far the biggest target for viruses and malware. While the Mac does come under attack via side-loaded apps, it's rare, and if you download apps only from the Mac and iOS app stores and keep your guard up when clicking links and download files, you should be OK without an antivirus app on Apple devices.

CNET editors pick the products and services we write about. When you buy through our links, we may get a commission. Best free Windows antivirus Microsoft Defender. Jump to details. See at Microsoft. See at NortonLifeLock. See at Bitdefender. Best on-demand Windows malware removal Malwarebytes.