High security antivirus software free download for pc

Thank you, Avast, for the excellent work you do. You have the best products on the market, period. Avast Free Antivirus combines cutting-edge, AI-driven cybersecurity with a massive threat-detection network of over million users that lets us protect our entire community in real time against online threats whenever they appear. We have one of the best antivirus software solutions available, because we have the right antivirus protection for all your needs. Trusted by over million users around the world, Avast uses advanced machine learning techniques to protect against ransomware attacks and other emerging threats.

Avast Free Antivirus detects, blocks, and removes all types of malware — viruses , adware , spyware , Trojans and more. For comprehensive threat protection on your PC, go with Avast — Over million users worldwide trust Avast.

Avast Free Antivirus keeps your PC safe in real time without slowing it down. Looking for a performance boost? Avast Free Antivirus detects and blocks all types of malware in real time to prevent them from infecting your computer. At the same time, it scans your PC to remove viruses and other malware automatically before they can do real damage.

Feeling up for a challenge? You can also try to remove viruses and malware the old fashioned way. A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them. 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. Have you noticed your Windows PC behaving strangely? Find out how to detect and remove viruses and other malware in this complete guide. Trojan horse malware disguises itself as harmless to trick you into installing it.

Learn how Trojans work and how to prevent attacks. Find out how to check for and detect keyloggers. Then learn how to remove them to protect your personal information and sensitive data. Ransomware is a serious threat to individuals, businesses, and even hospitals. Learn how ransomware works and block hackers from holding your files hostage.

Doxing, or doxxing, is the release of someone's personal info without their consent. Russian cybersecurity firm Kaspersky has faced allegations of inappropriate connections to the Kremlin , prompting the US , the UK , and the Netherlands to ban the use of Kaspersky products across government agencies.

Nevertheless, the allegations remain inconclusive, and Kaspersky is consistently a top-rated antivirus product. If this app is already on your PC, you might be wondering why you should even bother with a free third-party antivirus solution.

Its malware detection capabilities have improved, and it performed well in hands-on testing. Still, PCMag gives it a rather lukewarm review:. Many free third-party apps are more effective at keeping you safe. The company will continue to support the antivirus software for the time being, but their overall support for Windows 7 has ended, and they recommend you upgrade to Windows Essential protection: PCMag reports that Sophos achieved excellent scores in their hands-on tests and excellent protection against malicious websites.

But unlike the other major players on this list, Sophos has few independent lab test results to prove its efficacy. Sophos also received a poor phishing protection score from PCMag. It's extremely short on features, though, and we'd like to see more coverage from the testing labs, too. So here are few more antivirus products to consider:. Essential protection: Adaware Antivirus Free has received mixed scores in past independent tests, and PCMag cautions that Adaware has no recent test scores to show.

And for an antivirus, protection should always be the 1 concern. Check Point ZoneAlarm is a free antivirus-firewall combo that licenses its antivirus engine from security giant Kaspersky. Essential protection: Pairing strong antivirus prevention with a firewall can be good enough for basic computing. Features: Unfortunately, this free cybersecurity solution is missing many features you would expect to see, such as web-based security, protection against malicious websites, and personal data protection.

Essential protection: Qihoo formerly used the same core antivirus as Bitdefender and Avira, but it no longer does. Sadly, its malware protection has suffered for it. Features: Qihoo comes with an impressive suite of bonus features, including cleanup and tuneup utilities, an adblocker , and more.

You may have been expecting to see some big-name antivirus players on this list, like Norton, McAfee, or Malwarebytes. Norton offers only paid antivirus software. McAfee is the same as Norton — a free trial, but no free version. You can find this in their paid products, but why not go with a full-service free option instead?

You can avoid some forms of malware by practicing smart digital habits like using secure messaging apps and checking that websites are safe before you use them. But hackers are craftier than ever. Social engineering tricks , phishing scams, malicious URLs and infected downloads… the list goes on. Cybercriminals find ways to reach even the most careful among us.

Make sure to choose one of our best security software options with robust protection against all kinds of online threats. Mobile devices may also be susceptible to malware, so protect yours with a security program that can remove malware from your smartphone. When it comes to the best virus scanners and best anti-malware tools, there are tons of choices.

Effectiveness: Of course, the most important factor is how effective the antivirus engine is against malware and other threats.

Gone are the days when the primary internet baddie was the computer virus. Windows 10 , 8 , and 7 Windows XP can be found here. For Mac: English only. A computer virus is a kind of malware that gets into your computer, often through infected downloads or deceptive links. Indications you may have a virus include slowdowns, invasive popups, crashes, and more. With one click, it performs an online scan to rid your PC of viruses.

The cybersecurity industry has confirmed through rigorous testing that AVG is one of the best antiviruses on the market. If you would like an even faster system, you can take some steps to manually speed up your PC. In computing, a Trojan horse is a decoy that hides malware.

Find out what a Trojan is and how to detect and protect against this sneaky type of attack. No need to stress over virus or spyware removal. We'll show you how to quickly and easily get rid of any malware from your PC, Mac, or laptop.

What's the best free antivirus software for Windows in ? See what the leading experts have to say, then protect your PC against malware and other threats.

Learn everything you need to know about malware: how it works, what malware does, how to protect yourself, and how to get rid of it if the worst happens.

Learn how to remove viruses from your Android phone and iPhone with our expert guide. Scan and remove mobile malware, then protect against future threats. Website safety checks are vital to staying safe online, but how can you tell if a site is secure? Use a website safety checker and follow these tips.

Macro viruses are written in the language used for software programs like Word and Excel, and spread quickly. Learn how to remove macro viruses here. SQL injection allows hackers to access and alter a website's database. Learn how SQL injections work and the prevention techniques to keep your data secure. What is ransomware — is it a virus, or something else?