Best Antivirus for Windows 10: Why Does Your PC Need It

Best Antivirus for Windows 10: Why Does Your PC Need It


Antivirus Today

Antivirus productivity on Windows is a sore subject. The practice demonstrates cases when the system and antivirus software literally fight with each other for processor resources, random access memory, and the channel of connection to the Internet.

Buying expensive licenses for complex antivirus packages is justified for corporate users. But there are fewer reasons for spending money on home antivirus. Free versions of popular antivirus products can protect your PC efficiently. So, let’s take a closer look at some best antivirus for Windows 10.


Avira antivirus is a top-rated provider, which received an appreciation from SE Labs last year. In addition to antivirus protection, it supports the technology of cloud scanning called Protection Cloud.


  • Avira has an effective virus scanner
  • Network screen
  • Protection against phishing
  • Password manager
  • VPN client


  • cumbersome interface
  • additional unnecessary products (like the tool for online stores prices comparison).

With Avira onboard, Windows 10 files are copied for only 3% more slowly than without antivirus. Loading websites and downloading files also slow down very slightly, so that it can be ignored. While Avira is working, standard applications of Windows are started for about 18% more slowly, and third-party programs are installed nearly half quicker, than on average in the industry. So, it is possible to call Avira one of the fastest antivirus for Windows 10.


Bitdefender is the most liberal antivirus in terms of downloading and copying Windows files. You can’t even notice it’s presence, because Bitdefender doesn’t overload your PC. Installation of third-party programs is also quicker than in the industry. But the antivirus scans the opened websites too cautiously that can lower the overall scanning speed. At the same time, Bitdefender identifies new threats effectively. AV-Comparatives shows 100% in the tests.


  • One of the best indicators of detection and neutralization of malicious software
  • Protection against phishing
  • Simple interface
  • Modest expenditure of sources.


  • Limited scanning and setup options (in comparison with paid solutions of Bitdefender).


It is no wonder why Kaspersky Antivirus is here among other providers. Kaspersky demonstrates high results in the third-party lab tests, which analyzed speed, performance, and virus detection. The fact is that the full version of Kaspersky Internet Security detects 100% of the viruses in Windows 10 Home. All these prove Kaspersky to be one of the best antivirus for Windows 10.

Therefore, after some tests, we understand that Kaspersky does not slow down the download of files from the Internet at all. Files are downloaded with the same speed as without antivirus. Copying files is almost invisible, and running standard programs and installing third-party applications is half as fast as the industry average. Downloading sites also is quickly enough. So, it is possible to give Kaspersky, at least, the second place in the rating.

Other options

Many users prefer Avira Free Antivirus because of its high-performance rates. But we should say, this antivirus can slow down the launch of standard Windows system applications and provides incomplete detection of malware. Otherwise, all other criteria are quite worthy – we would also give it the place in our rating.

The built-in Microsoft Windows Defender is not very good in terms of test results. It prevents the fast programs’ installation. The installation speed increases by almost half (42%) when the Windows Defender is disabled on PC. Besides, false positives are also not rare with this provider.

The favorite antiviruses of experienced users – Norton Internet Security and ESET Internet Security – are quite “heavy.” Specifically, the last one, which manages to slow down the launch of the simplest system applications by 60%.



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