Windows Defender

Windows Defender 64-bit

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Advanced security to defend against today’s cyberthreats. Built-in, routinely updated, and at no extra cost to you. That’s Windows Security.

Windows Defender 64-bit Download Latest Version

Windows Defender Download 64 bit

Windows Defender 64-bit Latest Download is software that helps protect your computer from pop-ups that produce slow performance and security threats due to spyware and other unwanted software by detecting and removing spyware from your computer.

Windows Defender Free Download latest Version uses Real-Time Protection, a monitoring system that recommends actions against spyware when they’re detected, minimizes interruptions and helps you stay productive. Windows Defender is manufactured by SpyNet, a community that invites Windows Defender users to help each other identify and share information about spyware.

Video Tutorial

This community reports the potential threats identified by Windows Defender in real time for you to the SpyNet server, where the device catalog will soon be updated soon to help protect you from new spyware threats


Here we shall consider only the tasks assigned specifically to the anti-virus program, and not other system modules which can be also linked to security – “Firewall”, “Performance and health”, etc. Truth be told that since 2019, Microsoft has combined every one of these individual modules into a single “Security Center”, by which “Windows Defender” is found in the “Virus and Threat Protection” section.

Based on official Microsoft data, the duty of the built-in Windows Defender antivirus includes:

  • Full or selective scanning (automatic or at the request of the user) of most files stored and loaded on hard disk drives and other storage media.
  • Tracking the behavior and scanning of programs that start at the beginning of the operating-system (each time the computer is turned on), along with those launched by users while working at the computer.
  • Tracking Windows update installation processes linked to security modules (in fact, the machine checks itself).
  • Monitoring security settings, scanning add-ons (plugins) for the Microsoft Edge system browser
  • Monitor the activities of user-installed services and drivers.
  • Tracking system files and specialized tools accountable for registering programs in the operating system.

Put simply, “Windows Defender” is very a typical antivirus. Its main differences from similar programs are that it doesn’t need a separate installation, or constant cash injections (however, it’s not entirely correct to state so, because the consumer pays for the machine itself), and also consumes the very least number of computer resources. You may also argue with the latter, because. some functions of the Defender are performed by other modules of the operating system.


Automagically, the machine antivirus starts with Windows, but its graphical shell (user control panel) might not start (depending on system settings). To get into it (using Windows 10 is an example):

  1. Press the “Win” key (open the “Start” menu) and click the “Settings” button with the image of a gear.
  2. In the “Windows Settings” window, enter the “Update and Security” section.
  3. Next, open the “Windows Defender” tab, and inside it click the “Open Windows Defender” button.
  4. The Windows Defender system antivirus user control panel will open.

When we compare the functionality of the Windows Defender program with the functionality of some other advanced antivirus (Kaspersky, NOD32, etc.), it might seem that the former isn’t effective at anything at all. But it’s not. Earlier, we mentioned that most of the functions of the antivirus constructed into Windows have already been used in other OS modules – they’re various programs and services that run in the backdrop and do have no visible windows from where they may be controlled.

“Windows Defender” is made for probably the most ordinary user who knows about the antivirus only so it is made to fight malware. And how he does it, what ingenious methods he uses isn’t our concern. We just value the security of our computers.


Everything is pretty simple here. In the very first tab “Home” of the consumer interface of the antivirus, you can manually start scanning files for viruses. As a whole, you will find three standard malware search modes:

  1. Quick check mode. Scanning probably the most likely objects which can be most probably be contaminated with viruses (download folders, temporary browser, and program locations, user directories like “Desktop”, “Documents”, “Music”, etc.).
  2. “Full check” mode. Scans all files stored on hard disk drives and removable drives linked to the computer, along with running processes and related files.
  3. “Special check” mode. Selective scanning of user-specified local drives and/or folders.

Virus databases (“definitions”, because they are called by Microsoft) are generally updated automatically, whether or not Windows Update is enabled or not. But when necessary, this operation may be performed from the “Update” tab by pressing the “Update definitions” button:

And the past tab is “Journal”. Here you will see 3 sections:

  1. “Objects in Quarantine”. Malicious files which have been quarantined (i.e. neutralized) but not taken from the computer are put here. If you were to think that Windows Defender “treated” an application unfairly, considering it a disease, it may be restored. When it is in reality a disease, it is advised to simply remove it.
  2. “Allowed Objects”. Listing of files excluded by the consumer from antivirus scanning.
  3. “All Detected Elements”. Here and so everything is clear.


The device antivirus settings are observed in the “Windows Defender” “Update and Security” section (in the same place where the consumer control panel is launched). If you click the “Settings” button in the antivirus window, you’ll immediately be studied to the required section.

Exactly what do be configured here:

  • Enable/disable real-time protection. If this function is deactivated, the antivirus will stop checking downloaded files, running programs, etc. Sometimes this is required when installing any specialized utilities that the antivirus “swears for nothing”
  • Enable/disable cloud protection and/or automatic sample (virus) submission. Once you enable the “Cloud Protection” feature, you permit the antivirus to send detected malicious files to the Microsoft lab. If at once you utilize the “Automatic sending” function, then the antivirus is going to do it alone, i.e. without prior permission from the user.
  • Add a subject to the scan exclusion list. If you fail to download this program from the Internet at all, because it’s blocked by the antivirus soon after downloading, it may be added to the list (more details will soon be discussed below).
  • Enable/disable extended notifications. If you don’t need to get plenty of “weird” notifications from Windows Defender, it’s far better just to disable this feature. This can not affect the potency of the antivirus in virtually any way.
  • Run an offline scan of your personal computer for viruses. This can be a special scan mode that involves scanning at various stages of system shutdown and boot. Some viruses can handle loading before the antivirus itself is loaded, helping to make their detection almost impossible. With all the “Offline Scan” functions, the odds of detecting such threats are significantly increased.


Not totally all programs pose a risk to the computer. There are lots of applications that the antivirus can consider as a disease and automatically block/remove it. Frequently, pirated (cracked) versions of paid programs, along with a myriad of “cracks” (Cracks) made to hack games and other applications, come under suspicion. Additionally, there are quite “harmless” programs that, for unknown reasons, are blocked by antivirus.

If you’re certain that the application form you downloaded doesn’t pose any threat, but Windows Defender still doesn’t give it time to run/install, just add it to the exclusion list:

  • Click the “Add exception” item in the “Exceptions” section.
  • If you wish to add only 1 specific file to the exclusion list, click Exclude file.
  • In the dialog box, specify the file and click the “Exclude this file” button.
  • Sometimes it could be required to exclude a complete folder from scanning. As an example, Windows Defender can remove a downloaded file from the disk, which will prevent it from being included in the exclusion list (after all, it no further exists). The same relates to archives, when unpacking that your antivirus can delete the unpacked file. In this instance, we recommend that you first develop a separate folder on the disk where you can save files and unpack archives without the chance of deleting them.
  • Now click the “Exclude folder” button and specify the road to the newly created folder.
  • Now all files downloaded/copied to the folder won’t be scanned by the antivirus. But when there is indeed a virus that tries to “get out” outside, then “Windows Defender” will neutralize it.


We won’t make any comparisons, as specialized independent laboratories get it done for us. This is the data obtained from their websites.

Based on the analysis of experts from “AV-Test” antivirus “Windows Defender” (data for April-March 2019):

  • With regards to the security level, it can be compared to such systems as Kaspersky, Avira, McAfee, Norton Security (rating 6 out of 6 points), and several other little-known inside our country.
  • With regards to threat detection efficiency, it can be compared to Avira (score of 5.5 out of 6 points), but inferior to every one of the above.

Based on tests conducted jointly by Roskachestvo and ICRT in June-July 2019, Windows Defender antivirus received a score of 3.233 points, which:

  • More than McAfee (2,996) and Dr. Web (1,958)
  • But below Eset Nod32 (4.061), Avast (3.896), Kaspersky (3.541), and some others.

By the outcome of testing, Windows Defender is very a praiseworthy antivirus program.

Windows Defender 64-bit

Originally released in 2005 as the 100% FREE standalone security solution for Windows XP and Windows 2000 This package will benefit you install modern Windows Defender definition updates. this application has been able to grow with incredible pace Windows Defender can be a free program that can help protect your laptop or computer against pop-ups, slow performance, and security threats due to spyware along with other unwanted software. becoming the state-run built-in anti-spyware component in Windows 7 and Windows Vista. On Windows 10 it will be referred to as Windows Defender Antivirus It features Real-Time Protection, a monitoring system that recommends actions against spyware when it’s detected and minimizes interruptions, and enables you to remain productive.

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Antivirus is a type of software used to secure, detect, and remove computer viruses from computer systems. Antivirus is also called virus protection software. This program can determine whether a computer system has been infected with a virus or not