Phần mềm diệt virus avira free antivirus


Award-winning protection, and free forever

Top antivirus:blocks spyware, adware, ransomware, etc.

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Real-time protection và updatesLight & fast: doesn’t slow down your PC

Best usability



Real-time protection và repair

We protect you from billions of malware attacks annually, including against ransomware, Trojans, worms, viruses, & more. In addition to lớn virus scans, our antivirus software includes advanced repair functionalities, fixing over 90 million files last year.


Real-time updates via the cloud

Stronger together: every secured device is as a sensor, which detects emerging, never-seen-before attacks. As soon as a new threat is identified, all our customers are immediately immunized against it, protecting millions within minutes.

Light và fast has one of the smallest footprints in the industry – with virus definition updates 2-5 lighter than most other antivirus products. Unlike many others, our protection doesn’t slow you down nor hog your system’s resources.

The best antivirus protection

With over 30 years of security experience, offers superior detection, with additional website protection and repair capabilities. & as a German company, we don’t track what you do or sell your data lớn third parties.

“ không lấy phí Security is the latest evolution of the modern antivirus solution. In its basic form, it brings forth one of the best antivirus engines, a VPN, và a lot of other efficient goodies that will have a big impact on protecting your privacy và even ensure that your computer is running as it should.”


Our automated, intelligent learning system protects you against new and evolving threats.

Unlock premium features with Antivirus Pro

Scans downloads, torrents và cloud storageScans e-mail attachmentsScans USB devicesNo AdsUnlimited Customer SupportDiscover Pro

Browsing the mạng internet puts your privacy at risk. Companies want lớn track your behavior to lớn create a detailed profile about you to serve personalized ads. Browser trackers enable companies to collect a significant amount of data và track your online activities. You can easily become a victim of adware, which is not only intrusive but also slows down your device.

The security of your devices is also at risk, especially when shopping online or using cloud-based services. Cybercriminals are on the lookout for personal data, trying to steal passwords, bank details, or even hijack your computer access khổng lồ use your devices for attacks against others. Keyloggers, rootkits, spyware, Trojans, và worms are just some of the malware types that can attack your system. To lớn keep your system secure và protect your privacy, you need to install an antivirus software, designed to detect và remove malware. With regular vi khuẩn scans, you can protect your computer against a wide range of threats.

Why is Windows Defender not enough to protect your system?

The Windows Defender Antivirus is installed by mặc định on all devices running Windows10. While it is a good option for conducting basic virut scans, it does not offer complete protection. When tested by IT security experts, the mặc định windows antivirus didn’t perform as well as other antivirus software, often failing lớn block malware. Furthermore, Windows Defender is not updated often enough to lớn keep up with the new threats. To lớn detect the new types of malware that are being spread daily, cybersecurity experts recommend an additional antivirus khổng lồ conduct real-time vi khuẩn scans và alert you as soon as a malicious threat is detected.

How khổng lồ get complete protection for your Windows device?

You can protect your digital life with’s không tính tiền antivirus for Windows. free Security is the best miễn phí antivirus for Windows, with an impressive track record in tests performed by leading industry experts. It also includes a miễn phí VPN for private & secure browsing & built-in performance optimization tools to keep your system running fast and efficiently. không tính phí Security is an all-in-one solution for a carefree digital life.

How does không lấy phí Security for Windows work?’s free antivirus software uses the latest cloud công nghệ to offer you the fastest and most reliable real-time scanning and data protection. The fingerprints of new unknown files are automatically uploaded khổng lồ our cloud và analyzed in real-time. This way, we protect you from Zero-Day-Attacks, where cybercriminals use new methods to lớn infiltrate your system. Our Protection Cloud can detect these never-seen-before attacks. Once a new thread has been identified, you are instantly protected against it.

· Our intelligent learning system NightVision protects you và your devices against new and evolving threats.

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· The PUA Shield discovers potentially unwanted software that is hidden within legitimate software.

· Our website Protection stops you from visiting dangerous websites, & proactively blocks malicious & phishing URLs in websites, social networks & email.

· Your Windows Firewall is a key element in protecting your whole system. With our Firewall Manager you can optimize the protection with just one click.

· Cybercriminals are constantly trying to lớn distribute their malware via thư điện tử with infected liên kết or attachments. Our Email Protection, available for the Pro version, scans emails for these dangers.

· Install the browser extension Browser Safety for Chrome, Firefox, & Opera khổng lồ block tracking cookies và annoying banners on websites.

You can protect yourself và your devices from viruses, ransomware, banker Trojans, và other types of malware with our free antivirus for Windows. Our solutions, “Made in Germany”, have won hundreds of awards & are used by millions of satisfied customers.