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Microsoft Security Essentials is one of the best free antivirus programs available if you"re using an older version of Windows. It"s available directly from Microsoft, & it"s easy to lớn see if the program protects you as it should.

This tool conducts quick scans to kiểm tra for threats in common areas where viruses hide, but you can also run a full scan to kiểm tra everything or a custom scan lớn look in specific folders or drives.


Provides resident protection from viruses, spyware, and other malware.

Virus definitions are updated automatically & regularly.

Small tải về size.

Quick & easy lớn install.

Doesn't install unrelated software.

Doesn't include a silent mode (you might be bothered during gaming).

Can't quickly access settings from the notification area icon.

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Last updated in 2016.

Can't schedule a Custom scan (just Quick và Full).

Microsoft Security Essentials serves as the onboard virus & anti-malware tool for Windows 7 và Windows Vista. Windows 11, 10, & 8 use Windows Defender.

Microsoft Security Essentials Features

Like any antivirus program, MSE offers several features khổng lồ help fight threats. It does a good job at balancing ease-of-use with functionality.

Fully functional engines khổng lồ guard against viruses and most other kinds of malware.Files, locations, file types, and processes can be excluded from scans.Trigger a scan directly from Windows Explorer"s right-click menu.A simple green or red indicator makes it easy to see if you"re protected or not.It updates regularly lớn keep its malware knowledge current. View the last time the MSE definitions were updated, as well as the current spyware & virus definition version number.Archives & removable drives can be set to lớn be scanned in a full scan.The History tab keeps a record of quarantined and allowed items so that you can check how the program performs.Choose the default action that MSE takes (for example, khổng lồ remove or allow the threat) when a threat is identified as having a severe, high, medium, or low alert.Quarantined items can be mix up to lớn be deleted automatically or kept forever. If you choose khổng lồ remove these items after a mix time, you can choose from one day later lớn up to three months later.Optionally join MAPS (Microsoft Active Protection Service) to automatically report malware & other unwanted items to lớn Microsoft.

Microsoft Security Essentials provides constant vi khuẩn protection, also called on-access or resident protection, for free. This means that it can replace antivirus software from companies like McAfee và Norton that charge for their software and yearly access to lớn updates.

Thoughts on Microsoft Security Essentials

Security Essentials is Microsoft's first attempt at an antivirus program, miễn phí or otherwise. Overall, the program works well & performs its task admirably.

One thing that we like about similar programs that you don't get with this one, is easy access to lớn the program's settings directly from the icon on the taskbar. Ideally, you'd be able to lớn turn off real-time protection temporarily, exit the program, kiểm tra for an update, etc., from that menu. Instead, the only thing you can vì is mở cửa the full program window.

Despite the robust nature of the program, MSE is an old solution for out-of-date operating systems. Particularly in high-stress environments, it"s better to lớn upgrade to lớn Windows 11 for the latest security updates và features directly from Microsoft.