Windows Security: Defender, Antivirus & More for Windows 11 | Microsoft

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Over million users worldwide trust Avast. Get our free, award-winning protection against viruses and other malware for Windows 10 now. FREE DOWNLOAD. Avira Free Security is the best free antivirus for Windows, with an impressive track record in tests performed by leading industry experts. It also includes a.
 
 

 

Download Free Antivirus Software for Windows 10 PC | Avast

 

Privacy: Antivirus programs need access to all parts of your machine to properly protect it. That means you should choose a program from a reputable developer with a transparent privacy policy. But you probably have additional devices, right? Malware, phishing, and other threats also affect Macs, Androids, and even iPhones. Some companies offer multi-device subscriptions so you can easily protect yourself with free antivirus software for Mac , cybersecurity for Android , and mobile security for iOS.

The best free programs offer excellent virus and malware protection and a variety of defenses against the latest online threats. But if you are interested in upgrading, most antivirus companies offer premium versions of their software with advanced features, add-ons, and customization options.

Microsoft has tried to make its built-in antivirus solution the best free antivirus for Windows. But while it has improved significantly in recent years, Windows Defender is still not as good as many third-party options out there, like AVG, Avast, and BitDefender.

Absolutely not. Product and OS updates often include patches that plug security holes. Ignoring security updates can make you far more vulnerable to malware. These labs have the resources to test thousands of real, active malware samples of all kinds viruses, worms, ransomware, zero-day exploits, Trojans , botnets , backdoors, and more and to perform the same tests on different antivirus software simultaneously to guarantee accurate comparisons.

These labs are certified by independent auditors, and many work with universities to ensure state-of-the-art testing methodology. Independent test labs charge the antivirus companies to participate in these tests.

Major AV brands consider this a necessary expense in order to verify the efficacy of their products. So when a company has no recent test results to show, it should arouse suspicion. Well-known reviewers, such as Neil J. A good antivirus solution will not slow down your computer. The top free antivirus software is designed to minimize its impact on your system. Make sure to select a program with light system load so you can stay protected but still use your computer exactly as you normally would.

Protect your sensitive personal information and your Windows PC with a strong antivirus tool. Get the best free antivirus for Windows today for an impenetrable layer of defense against malware and other invasive digital threats.

Can iPads Get Viruses? What You Need to Know. Privacy Report vulnerability Contact security License agreements Modern Slavery Statement Cookies Accessibility Statement Do not sell my info All third party trademarks are the property of their respective owners. Home Avira Antivirus Windows. Avira Free Antivirus for Windows Award-winning protection, and free forever Top antivirus: blocks spyware, adware, ransomware, etc.

Editors’ rating: Rating: 5 stars. Award-winning technology that helps protect millions of users. Real-time updates via the cloud Stronger together: every secured device is as a sensor, which detects emerging, never-seen-before attacks. Light and fast Avira has one of the smallest footprints in the industry — with virus definition updates lighter than most other antivirus products.

The best antivirus protection With over 30 years of security experience, Avira offers superior detection, with additional web protection and repair capabilities. Avira has more than 35 years of online security experience. From our best comments. Rating: 5 stars. The latest technologies. Antivirus Scanner Detects and blocks malware viruses, ransomware, banker trojans, etc. NightVision Our automated, intelligent learning system protects you against new and evolving threats.

PUA Shield Identifies potentially unwanted applications hidden within legitimate software. Safe Browsing Blocks harmful websites before they load. Ad Blocker Prevents intrusive and malicious ads, banners, and pop-ups from loading.

Browser Tracking Blocker Stops companies from monitoring you online. Price Comparison Saves you money while you shop.

Load more. Laptop, smartphone or tablet? Secure all your devices with Avira. Discover Antivirus Pro for Mac and Windows. Install Avira Free Antivirus for Windows in 3 easy steps. Run the installer Double-click on the downloaded file. Confirm Click “Yes” on the dialog box to start your installation. Follow the on-screen instructions This should take a few minutes only.

Stay safe when browsing, emailing, or working online. Botnet Shield Protect your device against malware that allows hackers to control it and turn it into part of a bot network. Bot networks are used to send spam, steal data, distribute ransomware, commit fraud, and other potentially illegal activities. Web Shield Web Shield protects users from visiting a malicious website by blocking the websites when it detects any kind of malicious code or malware on sites.

Mail Shield Mail Shield alerts you to potentially malicious email attachment before you click on them. Ransomware protection. Stop hackers from accessing, changing, or locking your personal files then holding you to ransom. Ransomware Shield Keep your information safe. Don’t let your personal photos, files, and documents become hostage to ransomware — automatically prevent untrusted applications from modifying, deleting, or encrypting them.

Data leak alerts. Get an alert if any passwords linked to your email account have been compromised. Hack Alerts Keep your email accounts and their passwords secure.

Looking for Avast One instead? Avast One gives you our award-winning antivirus, plus some of our best privacy and clean-up tools, together in one handy download. Over million users worldwide trust Avast. Ryan Rentfro. Eric Scherer. Daryl Colley. It also protects you in real time by analyzing unknown files long before they reach your device.

How to install Get protected right away by following these 3 easy steps:. Step 1. Step 2. Step 3. PC with Windows 11 , 10 , 8. Mac running macOS Android phone or tablet running operating system Google Android 6. What does antivirus software do and how does it work? Is Avast Antivirus really free? Will Avast Free Antivirus software affect the performance of my device? We have one of the best antivirus software solutions available, because we have the right antivirus protection for all your needs.

Webcam hacking and extortion is real. Find out if your webcam has been hacked, how to protect yourself and avoid living your own ‘Black Mirror’ nightmare. Spam text messages are a major nuisance. Concerned about smart TV cameras and tracking? Find out if your Smart TV is spying on you and how to disable built-in cameras and voice-recording features. Scareware tricks users into downloading malicious software through pop-ups or fake virus alerts.

Learn how to prevent and remove scareware. Mac users often feel protected by the security features in macOS, but Macs can get viruses.

Find out why Mac viruses can still be a threat. Want to learn about malware? Read this ultimate guide to find out what malware is, how it works, how it spreads and what you should do to protect yourself. Can you not find your Android phone? Learn how to locate, track, lock, and erase your lost or stolen Android Phone in our step-by-step guide. Learn more about some of our specialized privacy solutions, below. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on.

We apologize for any inconvenience. Learn how to enable it. Avast defends the security and privacy of over million users worldwide. Advanced virus and malware protection. Home Wi-Fi network security. Easy to install, effortless to use. Smart Scan Scans your device for hard-to-find vulnerabilities in hidden places. CyberCapture Automatically sends suspicious files for analysis in the Cloud, then pushes a cure to Avast users if needed.

Behavior Shield Alerts you immediately if any of your apps start behaving suspiciously. File Shield Alerts you to any suspicious files — before you open them.

 
 

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