Introduction to Windows Defender Win8 comes with protective armor

  
After installing the Win8 system, what kind of anti-virus software is still entangled? Fear of killing soft is not compatible with Win8? Don't worry, this article will answer your doubts. The first to debut is Win8's own anti-virus software — — Windows Defender. That's right, you're not mistaken, Win8 does have built-in anti-virus software, you may have heard of another name: Microsoft Security Essential (MSE).
There are several ways to open Windows Defender, you can choose the one you are most used to. Let's find it step by step:
The first type: Open the computer's start menu, right click and click “All Programs in the lower right corner of the screen.

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It is easy to find in the application of Windows system in the list of all applications. Windows Defender”

▲Windows Defender
Second: Press Win+Q at the same time, enter Defender in the search box, you can see Windows Defender in the results on the left.

▲Search
The third type: Open the control panel, you can also find Windows Defender in all control panel items.

▲Control Panel
After opening Windows Defender, we will find that its interface is very simple. A monitor-like icon shows the current state of the software. If it is a check mark, Windows Defender is protecting you. The system below shows the status of real-time protection as well as the virus and spyware defined versions. On the right side of the window, there are three scan options for fast, full, and custom.

▲Windows Defender interface
Windows Defender update does not require us to worry about it, its update is with WindowsUpdate, whenever there is a new virus definition, the system will automatically update for the software . Of course, a mild obsessive-compulsive disorder like me “patients” would like to manually check to see if there are any new virus definitions available.

▲Update
At this time, the software will detect updates online, and if there is a new virus definition, it will be downloaded and installed.

▲Update Information
In the History page, we can clearly see which files have been detected as viruses, and those operations have been performed. Windows Defender is also very user-friendly for these The poison files are ranked according to the alert level.

▲History
In the settings page, we can see real-time protection, excluded files and locations, excluded processes, advanced options, etc. The settings are not very rich, but as a system With free anti-virus software, it can basically meet the needs of basic users.

▲ Settings
Advanced options for scanning removable drives, creating system restore points, etc. are also available for advanced selection.

▲Advanced Settings
When Windows Defender detects a virus file in the system, it will pop up in the upper right corner of the desktop as shown below, and the message box of "Detected malicious files" will be accompanied. There is a tone. And in the lower right corner, in the form of a bubble, you are prompted to detect potentially harmful software. When you click on the bubble, Windows Defender will also check the detected harmful software and perform the corresponding operation. For some samples, Windows Defender will also prompt you to submit a sample report.

▲Detection and reporting
When the system detects a virus, we can click the button to clean the computer to clean the virus file. For the detected files that may contain viruses, we can select the operation. Select the option to isolate, delete, etc. from the drop-down menu.

▲Virus processing method
When the operation is successful, the color of the window will change from yellow to green. The difference between Windows Defender and some anti-virus software is that Windows Defender can fix some files infected by viruses instead of simply deleting and isolating things. Although not all infected files can be fixed, it shows the human side of Windows Defender.

▲Delete Successfully
Next, let's take a look at the resource usage of Windows Defender during scanning. Since the test is performed in the virtual machine, the CPU usage can be directly ignored. The main reason is the memory usage. The average memory usage during scanning is only about 60M, and the memory control is quite good.

▲Resources
When you install third-party anti-virus software or security software, Windows will automatically close Windows Defender (as shown) to avoid the stability of the system caused by multiple anti-virus software. influences.

▲Windows Defender Tips
For ordinary home users, especially those specially prepared for the elders of the home, the Windows Defender+ system that comes with the Win8 system comes with a firewall + UAC that is enough for your computer. Establish a safe defense line to ensure the security of the system, no need to install third-party anti-virus software.

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