Introducing không tính phí Security for Windows

Protects you from scams, identity theft, & financial lossSecuresyour online activities with không tính phí VPNSpeeds up and cleans your PC for peak productivityAnd much more


Best usability



Blocks all online threats, including malicious websites, ransomware, và spyware.

free VPN

Secures and anonymizes your online activities (browsing, chats, emails, etc.). 500 MB/month limit.

Identity Protection

Our Password Manager secures your online accounts with strong, unique passwords you don"t need lớn remember.

Anti-Scam protection

Protects you from phishing attacks on social networks & in your inbox, including COVID-19 scams

Software Updates

Helps you patch vulnerabilities by updating apps & drivers - delivering better security & performance.

PC cleaner

Wipes your digital traces from browsers and apps - and helps prevent Windows from tracking you

* không lấy phí Security provides real-time protection with very low memory usage. Thanks lớn its low system footprint & integrated performance optimization features, it keeps your device running smooth and fast.

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Storage optimizer và duplicate tệp tin finderBattery saver &startup optimizerSoftware & driver updater

* không tính tiền Security includes tools that help you stay safe online.Generate unhackable passwords và log in automatically khổng lồ your accounts with our password manager extension. Cửa hàng securely, block phishing sites,and find the best đơn hàng with our Safe Shopping extension.

Password ManagerSafe ShoppingFree VPN

"A great security software that will protect you from major threats with little use of system resources. It also has many more features than some of its competitors: besides being a reliable antivirus it protects your privacy thanks khổng lồ its free VPN and has a tool that helps you keep your PC clean of unnecessary files. If you"re looking for an all-in-one solution that offers you protection, privacy & smoother computer use, không tính phí Security is an excellent choice."

Rated 5/5 bythe editor

* free 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, and a lot of other efficient goodies that will have a big impact on protecting your privacy & even ensure that your computer is running as it should."

Rated 5/5 by the Editor. Read the full review>


" aims lớn protect the online world by providing security expertise & advanced antivirus software to more than 500 million customers. The company’s people-first philosophy is built on a foundation of credibility và transparency, ensuring that ethics guide all decision-making."

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Secure all your devices with provides không tính tiền cross-platform solutions for PCs, laptops, and mobile devices.

Looking for an ALL-IN-ONE solution? Discover PrimeProtect up to lớn 25 devices with one subscription

All our premium features, including:

Advanced protectionUnlimited VPNAutomatic cleaning & updatesSecure passwordsPremium smartphone appsReal-time data breach alertsMaximized gaming performance
không lấy phí optimizer and miễn phí security software for more cyber protection, online privacy, and performance

At, we believe that everyone should enjoy a safer & more private digital life—anytime, anywhere. That"s why we provide không tính tiền software for your online security & privacy, plus performance enhancement—for Windows, Mac, Android, và iOs devices. Our không tính tiền Antivirus is a great place lớn start if it’s just không lấy phí software security you’re after: It offers cloud-based, real-time protection khổng lồ help block a huge range of online threats & malware, including the latest viruses, Trojans, và ransomware.

If you love surfing online, consider this free, discreet add-on that helps secure your browsing & can protect your privacy: Browser Safety (for Opera, Firefox, and Microsoft Edge) was designed to shield you from dangerous và phishing websites, malicious advertisements, & online tracking. It highlights infected sites in your search results, so you’re forewarned. Plus, its anti-tracking capabilities can help prevent ad networks from monitoring your online activities. It also helps stop potentially unwanted applications (PUAs) from hiding in your downloads—once inside your system, they could spy on you or display an annoying stream of ads. Google user and online shopping fan? We have something for you too. Safe Shopping offers a price comparison tool so you can still grab a bargain and rest assured it’s from a trusted site. Phantom VPN encrypts your data traffic, helps anonymize your online activities & lets you surf more securely, even on public Wi-Fi. VPNs create a virtual private ‘tunnel’ through which all your online data is passed, where it’s safer from prying eyes & cyber criminals.

Now you know how to stay more secure and private online (for free!), but what about device performance? offers numerous cleanup and optimization tools lớn help you tốc độ up your machine and miễn phí up more storage space. Now how about freeing up your own mind from the hundreds of passwords its struggling to lớn remember? Password Manager creates & stores strong passwords for all your user accounts. For peace of mind that you’ve got all your (virtual) bases covered, there’s this: free Security contains the miễn phí tools as a single, practical solution. With just a few clicks, you can check your devices for security, online privacy, & performance issues—and fix problems fast.

Stronger security & revved-up performance with our premium solutions

Our free security software offers essential tools to lớn help optimize and protect your digital life. For example, the miễn phí Antivirus for Mac & Windows uses the same powerful vi khuẩn scanner as our premium version. However, our Pro versions unlock additional features and enhanced levels of protection, such as a VPN with unlimited data volumes (limited to lớn 500 MB per month in the không tính phí version). With Antivirus Pro for Windows and Mac, you get built-in web protection and advanced anti-ransomware. Plus, there are no ads. System Speedup Pro for Windows offers a wider range of tune-up tools for more thorough & automatic cleaning và device acceleration. internet Security offers multiple premium products but has a few more things up its sleeve than its không tính phí cousin, không lấy phí Security: In addition to the advanced protection features of Antivirus Pro (such as download and email protection), it also includes Password Manager Pro which can alert you if your data has been leaked in a breach. Plus, there’s Software Updater Pro, which allows you khổng lồ automatically update your programs & drivers. Explore the differences between the miễn phí and Pro versions here.

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If you truly want all that has lớn offer, there’s Prime for the discerning, even more security-conscious user. It’s our most comprehensive offering và runs on up lớn five different devices. This premium all-in-one includes all our Pro features for more security, online privacy & performance.

Security software excellence for your various devices"s advanced security technology is based on over 35 years of research. The independent reviews panel, AV comparatives, continuously tests Key features are considered its outstanding user-friendliness and performance as well as the low system impact and high repair capabilities. Millions of satisfied customers worldwide choose our không tính phí security & optimization solutions for desktop computers and laptops, as well as smart browser extensions và useful apps for their smartphones & tablets. Join them!