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Download standard antivirus microsoft security essentials. Free programs for Windows download for free

Program version: 4.10 . Distributed by: For free. Size: 15 MB.
Operating system: Windows. Downloads: 104 321 .
Last update: 2017-12-17 .

Microsoft Security Essentials- an antivirus program that is designed to protect your computer from malware and viruses.

The antivirus utility became available only in 7 Windows versions, in which it is part of the assembly. For more earlier versions The operating system developer suggests installing this component separately.

Microsoft antivirus free download

Microsoft Security Essentials free download and provide high-quality protection computer. The antivirus is suitable for Windows 7 and Windows 10 (x32-bit and x64-bit). Install the latest version of the free software.

How it works?

Windows Defender starts working immediately after the computer boots. There are no visible signs of its operation, since the program runs hidden. If threats are detected, it will display a message in the taskbar (via Action Center), after which you can choose how to resolve the problem.

In addition to protecting against viruses and malware, this software is able to detect the following problems:

  1. No data archiving. For more safe work The system prompts the user to back up important data so that it can be restored in the event of loss or damage.
  2. Disable the firewall. If this application has been disabled by the user or another program, a notification about this will also appear in the taskbar.
  3. Availability installed antivirus. If licensed anti-virus software is not installed on the PC, Microsoft Security Essentials will definitely warn the user about this. It will also remind you about the license expiration or lack of updates if these notifications are disabled in the antivirus itself.

There are other important (and not so important) notifications. In any case, the user can perform the recommended action or refuse it. To prevent the pop-up message from constantly distracting him, threats can be ignored by simply checking certain items in the Defender settings.

In addition to identifying threats, this utility is capable of dealing with some threats itself, such as spyware and rootkits. As statistical research has shown, after the appearance and mass distribution Security Essentials, the Internet as a whole has become much safer. Since the program constantly receives updates, it is able to cope with most current threats. Threats are detected both in real time (by scanning data ports and RAM) and during background checks(by scanning hard drives and external drives).

To protect the operating room Windows systems 7 antivirus can be used from Microsoft, which is called Microsoft Security Essentials.

The name of the antivirus “Microsoft Security Essentials Windows 7”, consisting of 4 English words, is not easy to remember, so below we will also call it “Microsoft Antivirus for Windows 7”.

You can install it from the Internet for free from the official Microsoft website if Windows 7 on your computer is licensed. This antivirus Available for both 32-bit and 64-bit Windows 7 operating systems.

Information from the official Microsoft website about the antivirus:

Use Microsoft Security Essentials to protect your computer from viruses, spyware, and other malware. This antivirus provides real-time protection for your computer. It is suitable for use at home and small businesses.

Microsoft Security Essentials comes free*. It's simple to install and easy to use. It works quietly and efficiently background, without distracting you or forcing you to update.

* Internet access charges may apply during download.

Window appearance Microsoft programs Security Essentials is almost identical appearance program windows Windows Defender created for the Windows 8 operating system. Windows Defender 8 was described in the article. And these antiviruses work in a similar way.

Unlike Windows 8, where the Windows Defender Service 8 ( Windows Defender) is a full-fledged antivirus; in the Windows 7 operating system, the similar Windows Defender 7 is not a full replacement for antivirus software in real time (at the time of access).

For Windows 7, a full-fledged antivirus is the additionally installed Microsoft Security Essentials program, which can be downloaded for free from the official website using the link above. Moreover, after installing Microsoft Anti-Virus for Windows 7, Windows Defender is automatically disabled, transferring its functions to the installed anti-virus program.

If you decide to use Microsoft Antivirus for Windows 7, then other antivirus programs, if they were installed on your PC, should be disabled or completely removed from the computer. Otherwise, antiviruses will conflict with each other, perceiving each other, perhaps even as an infected virus program.

Setting up Microsoft Antivirus for Windows 7

Performed on the “Parameters” tab (number 1 in Fig. 1). On this tab you can configure the following options:

1. Option " Scheduled check"(number 2 in Fig. 1) allows you to configure the settings for automatically scanning your computer using Microsoft Anti-Virus for Windows 7.

  • Automatic scanning of your computer using this antivirus program can be configured on a given day of the week, on specified time, by type of check (quick, full or special).
  • There is also a requirement for implementation automatic search and installing updates for virus and spyware definitions.
  • The maximum load is also set central processor PC for the duration of the test.

Rice. 1. Setting up a scheduled scan for Microsoft Security Essentials for Windows 7

Setting up a scheduled scan (number 3 in Fig. 1) allows you to automatically run a scan of your computer for the presence (absence) of viruses and spyware, regardless of whether the PC user himself remembers this or not. Of course, to automatic check worked, you need the computer to be turned on and booted at the specified time. This is the only thing required condition in order for the program to scan the PC without user intervention.

The checkbox opposite the inscription “Check for the latest versions of virus and spyware definitions before the scheduled scan” (number 4 in Fig. 1) allows you to perform automatic updates antivirus program in order to receive updates from the Center Windows latest virus and spyware definition versions. The latest versions of definitions are a guarantee that the antivirus will not miss and neutralize the most latest versions viruses and spyware.

If you have a fast PC, then to speed up the computer scan, you can use up to 80% of the PC processor power while checking the computer for the presence (absence) of viruses and spyware, as shown by number 6 in Fig. 1. For slower (older) computers, it is better to set no more than 30-50% if you intend to work on it when checking the computer.

The option of using 80% processor power on weak PCs is suitable if, during a scheduled scan, you refuse to do any other work on the computer until it is completed. Also for this purpose (launching Microsoft Anti-Virus for Windows 7 only on a PC on which no work is being done), you can check the box next to “Run a scheduled scan only when the computer is turned on but not in use” (number 5 in Fig. 1).

2. Option " Default Actions"(yellow number 1 in Fig. 2) allows you to configure Microsoft Antivirus for Windows 7 to take action if threats of various levels are detected.

Rice. 2. Configuring default actions of Microsoft Anti-Virus for Windows 7

For threats of the “Critical” level (that is, very dangerous, number 2 in Fig. 2), options are provided

  • "Recommended Action"
  • "Delete" and
  • "Quarantine".

“Delete” means permanently removing a detected infected file from your computer.

“Quarantine” means automatically placing an identified dangerous (infected) file in a special place on the computer in the so-called “quarantine”, where in the future this file will be available only to the Microsoft Antivirus for Windows 7 program.

For threats of the “High” level (number 3 in Fig. 2), there are also 3 options described above.

And for threats of the “Medium” and “Low” levels (numbers 4 and 5 in Fig. 2), in addition to the 3 options described above, there is also a 4th option “Allow”, which means permission to save the detected presumably infected file unchanged. But it is better not to do this, and, again, for all threat levels it is preferable to set the first default action option: “Recommended action”.

3. Option " Real-time protection"(number 6 in Fig. 2) allows you to turn PC protection on or off in real time, that is, directly during operation. Enabling real-time protection is a mode of constant monitoring of everything that happens on the computer in order to prevent viruses or spyware from entering the computer. It is recommended to set this option to “Enable real-time protection (recommended).” IN this mode in case of any attempts to penetrate the PC by malicious programs, the user will be immediately notified about it, and suspicious file removed or isolated.

4. Option " Excluded files or locations"(number 7 in Fig. 2) allows you to set exceptions for certain files or folders that should not be scanned by Microsoft Anti-Virus for Windows 7.

It is recommended not to set any exceptions, otherwise Microsoft Anti-Virus for Windows 7 will not monitor the situation in excluded files or in excluded folders. There is a real danger of “letting” viruses or programs onto your computer.

5. Option " Excluded File Types"(number 8 in Fig. 2) allows you to exclude files with certain predefined ones from being scanned for viruses and spyware, for example.xls, .xlsx, .jpeg, etc. This same Microsoft Anti-Virus for Windows 7 is allowed not to scan files with the extensions listed in the restrictions. It is also not recommended to do these restrictions on your PC, as this can also lead to your computer becoming infected with viruses or spyware.

6. Option " Excluded Processes"(number 9 in Fig. 2) allows you to exclude processes of the Windows 7 operating system so that they are also not subject to control and scanning by Microsoft Anti-Virus for Windows 7. And here it is not recommended to set any exceptions; the exceptions page should be empty so as not to “catch” a virus or spyware.

7. In the option " Details"(number 10 in Fig. 2), it is advisable to check the boxes only next to the inscriptions:

  • "Check archive files", which will allow Microsoft Anti-Virus for Windows 7 to unpack archives, select files in them and scan them for possible infection viruses or spyware.
  • "Check removable media", which for Microsoft Anti-Virus for Windows 7 means the need to scan files and folders not only on the built-in internal drives PC, but also on external drives, flash drives and other storage media connected to a PC. This improves your computer's security by preventing viruses and spyware from entering your computer through external hard disks, flash drives, memory cards, etc.
  • “Delete quarantined files after 3 months”, which allows you not to store infected files on your computer for longer than 3 months. If during this time no decisions are made regarding these infected files identified by Microsoft Anti-Virus for Windows 7, the files will be automatically destroyed without further possibility of their recovery.
  • “Automatically send sample files if further analysis is required” so that the company can take appropriate action to improve the protection of Windows computers.

8, In opia " MAPS"(number 11 in Fig. 2) sets the level of participation of the user's computer in the MAPS service. This service is designed to send information to Microsoft about detected unwanted programs. This allows Microsoft to respond more quickly to possible new viruses and spyware, speeding up development antivirus programs and applications. It is recommended to set a “Basic Participation Level”.

Microsoft Security Essentials updates for Windows 7

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Free download antivirus Microsoft package Security Essentials x32 and x64 are recommended for advanced protection against all known viruses, Internet worms, Trojans, keyloggers, various spyware, adware and malware, as well as unauthorized access without exception. The latest version of the antivirus program from Microsoft is a modern, up-to-date and high-quality software product consisting of a set of utilities that provides comprehensive protection computer system and supports updating virus databases.

Each user of the site https://site has the opportunity free antivirus For Microsoft Windows Security Essentials download for free without registration and SMS to your home Personal Computer from this page of the site. On a PC at home you can make a maximum of MSE installations, in a small enterprise - up to ten, in the state. organizations, enterprises and educational institutions- cannot be used.

Microsoft has once again updated the latest version of the free MSE antivirus For modern versions Windows operating system. In cases where preference is given famous brand and besides, you need free software, you can use the latest Microsoft version Security Essentials for Windows Vista, 7, 8, 10 download for free to your computer without registration and SMS. Since April 2014, when support for Win XP was discontinued, the latest versions of MSE on the expash do not work; this antivirus tool is not available on the outdated system. Over the many years of its existence, the antivirus program from Microsoft has earned positive reviews and comments from tens of millions of users after many years of use in various available modes verification, protection and preservation of information.

Technologies, engine, capabilities

Microsoft's free antivirus is based on the same technologies as commercial antivirus for large companies- Forefront Client Security. There are much more similarities than differences: interface, operating principles, antivirus databases and most importantly - the Malware Protection Engine. There is nothing convenient in MSE system management. The advantages of a free antivirus product include the following:

  • Highly protects your PC
  • works quickly without burdening the system,
  • distributed freely
  • has no restrictions on the period of use,
  • easy to install and use,
  • has a multilingual interface,
  • is updated automatically,
  • runs as a background process,
  • protects online,
  • it searches for infected files itself,
  • remembers scanning exceptions,
  • checks archived files,
  • creates a system restore point,
  • allows you to schedule an inspection,
  • has high performance,
  • not demanding on resources,
  • integrated with Windows firewall,
  • protects against net exploits,
  • detects web threats,
  • recovers files from the cloud.

Three types of PC scans are available to the user: express, selective and full. Quick Scan takes from 10 to 30 minutes, and the complete one will last about an hour, depending on the speed of the computer. It scans both built-in and external drives computer, USB, Flash and other drives connected to the computer. Continuous protection in the background is reliable and up-to-date thanks to regular updates of anti-virus databases against new infections and threats, published three times a day on MicrosoftUpdate and Security Portal. All downloaded files must be checked and Email with attached files. If desired, the user can schedule checks for the future. The anti-virus log stores events that occur while the anti-virus is running.

MSE: fast performance and effective protection

The operation of the MSE utility package has a minimal impact on computer performance. Scanning uses only a few megabytes of RAM. In the settings you can set the desired value for the degree of CPU load. Improved interface makes protection computer light and simple. In most situations, Microsoft Antivirus will automatically neutralize malicious attacks without human intervention. In all cases where reinforced basic security, high speed, integrated with Windows firewall and browser, it makes sense to download for free antivirus Security Essentials for Microsoft Windows 32-bit and 64-bit from this site page https://site without registration.

Microsoft Security Essentials and Windows Defender

The history of antiviruses produced by Microsoft began at the beginning of the 21st century. AntiSpyware software was developed by specialists from GIANT Comp. Soft. Inc., which Microsoft acquired in late 2004. The first antivirus program, Microsoft Anti Spyware, appeared on January 6, 2005. AntiSpyware was designed to remove, quarantine, and prevent malware and spyware from running. On October 24, 2006, the final release was released with the new name Win Defender, which was shipped in operating Windows systems XP, Server 2003, Vista, 7 and 8.

Windows Defender served faithfully for about three years and received further development. On September 29, 2009, Microsoft introduced a package of free MSE antivirus programs. Starting with Windows 8, the functionality of Microsoft Security Essentials and Windows Defender is de-unique. MSE also replaced commercial product Windows Live OneCare. Today many users do not know how to enable windows defender, prefer to download Microsoft Security Essentials for free with Win 10, 8.1, 8, 7, Vista 32 or 64 bit. Both of these software products, MSE and WD, work in parallel and do not conflict and will not conflict in the future.

You can successfully install MSE only on a system that successfully verified authenticity of Windows OS, so-called validation. During installation, the Microsoft package checks Windows for validity. In case of illegal or incorrect use, the license of the antivirus product assumes that operating system will be blocked.

Not long ago, a false antivirus package called Security Essentials 2010 was distributed on the Internet, and then Microsoft Security Essentials 2011 and several programs that looked similar to MSE. This fake malware prevented the launch and normal operation popular programs, effectively blocking the infected computer. Legal department Microsoft has been successful in fighting counterfeiters, but you should still be careful when downloading MSE. Taking the utmost precaution, we recommend that you safely download Microsoft Security Essentials to your computer using the link from the office. Microsoft website, making sure that address bar browser present Microsoft domain dot com. Size installation file depending on the version of Windows is from 11 to 14 MB, about 150 MB is required on disk free space.

Program version: 4.9.218.0
Official website: microsoft.com
Interface language: Russian

Treatment: not required

System Requirements:Windows Vista

Description: Microsoft Security Essentials is a free antivirus for basic protection your computer from viruses, Internet worms, Trojans, spyware. Enhanced security, maximum performance, integration with Windows firewall. There is no registration required to use the MSE package, there is no trial period, there are no restrictions on the period of use - just download and install.

Additional Information:
Works on most modern computers. Microsoft Security Essentials runs on Windows Vista(Gold, Service Pack 1, or Service Pack 2) and Windows 7. Uses any of the two most popular browsers:Windows Internet Explorer(Starting from version 6.0) or Mozilla Firefox(Starting from version 2.0). Supports XP mode, integrated into top Windows versions 7. And also compatible with UAC - a trigger for changes in the system.

Does not require high performance. MSE works smoothly on most computers. For Windows Vista or Windows 7, a CPU with a clock speed of 1 gigahertz or higher is required, as well as RAM from 1 gigabyte. You also need 140 megabytes of free space (partly for the kernel, the rest for anti-virus databases). As well as a monitor with a resolution of 800x600 or more.

Protects against most viruses. According to the tests of the presenter expert group(av-test.org), Microsoft Security Essentials protects against 98.4% of all viruses. This level is comparable to paid competitors. At the same time, MSE is absolutely free for all license holders copies of Windows. In addition, in terms of scanning speed, Security Essentials showed results comparable to other paid antiviruses.

Does not stop when infected with rootkits. According to most independent tests, Microsoft Security Essentials reliably protects against rootkits, programs that modify the system kernel. So, in test conditions that were as close as possible to real ones, Microsoft Security Essentials removed 25 rootkits out of 25. That is, the level of protection is 100%

Key Features:
Effective protection against viruses, spyware, Trojans, Internet worms and other malicious programs;

Automatic update of virus databases;

Ease of use;

Fast antivirus engine;

Updated algorithm for detected complex malicious threats;

Integration with Windows Firewall (Windows Firewall) - the ability to turn the firewall on and off in the antivirus settings;

Network Analysis System - Strengthens protection in real time by analyzing network traffic to help proactively block exploitation of known network vulnerabilities;

Integration with Internet browser Explorer - detects web threats remotely.