Do I need an antivirus on Windows 10?

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In 2012 Microsoft began to supply its operating systems with pre-installed antivirus called the Windows Defender, which was based on Microsoft Security Essentials. After the release of Windows 10, Windows Defender has undergone significant improvements. Many users who don’t need third-party security solutions are fully relying on a free built-in system antivirus. In addition, the antivirus is already integrated into Windows 10, which allows you to minimize the impact on productivity.

Windows Security

Do you need an antivirus on Windows 10?

Many users naively believe that the more antiviruses they have installed, the more reliable the computer's protection. In reality, everything happens exactly the opposite, each additional antivirus software reduces the effectiveness of protection. I don't see any point at all in installing third-party antivirus software in Windows 10, which already has a full-fledged free antivirus in its core.

Windows Defender becomes one of the best protection solutions, which is confirmed by the latest laboratory tests conducted by the German AV-TEST laboratory. They conducted a study that clearly shows that the defender improved its ability to detect and eliminate threats. Antivirus received maximum estimates for three of their three indicator: Protection, Performance, Usbility.

Results of the AV-TEST study
In addition, the SE Labs laboratory also confirmed the high efficiency of the Windows Defender antivirus in its studies.
Results of the SE Labs study

Can I have more than one antivirus on Windows 10?

Yes, you can have more than one antivirus. But the more antiviruses you install into the system, the less effective protection you get. There are serious reasons to not install multiple antiviruses on the same computer.

When antiviruses are engaged in the protection of the computer, they use system resources to fulfill their tasks. If one single antivirus is installed in the system, it is enough for resources to perform its work. The more antiviruses are installed in the system, the smaller the memory is available antivirus to scan all potential attack points. As a result, the computer will not have enough memory to perform other tasks, which will lead to serious performance deterioration.

What is even worse, you will notice that antiviruses will face each other when protecting the system. The main goal of the antivirus is the isolation of the virus as quickly as possible and preventing attempts to infect the computer. If you install two or more antiviruses that will simultaneously monitor all risk areas, it will lead to conflicts.

Conclusion

It's time to summarize. Much time has passed since the time when Microsoft has just started introducing in Windows its own antivirus. And it is worth noting that 10 years ago their products were and in the truth are useless.

Hence, people have the opinion that antivirus from Microsoft is bad. But Windows 10 is a completely different story. The built-in Windows Defender is no longer inferior to the most advanced market solutions.

Therefore, the solution to install third-party antivirus on Windows 10 is not reasonable, especially if you are the owner of a weak PC or laptop. In conclusion, I want to say that it is not worth perceiving the antivirus as a kind of panacea from all the troubles. In any protected system, there is always one weak point called Human.

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