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Win7 built-in anti-virus software (Win7 built-in security: free anti-virus software simple configuration) With the rapid development of the Internet,Food additives HS code classification computers and networks have become indispensable in our lives Part. However, with the popularization and application of the Internet, the spread of network viruses is also getting faster and faster, and the ability to prevent and deal with computer viruses is becoming more and more important. In order to protect the security of the computer, most users will use security software. However, these softwares usually require subscriptions or purchases, which may put them off by some users with limited financial conditions. In the Win7 system, we can directly use the free anti-virus software that comes with Windows to protect our computers.Win7's built-in anti-virus software can be said to be a very practical software, which can help us easily prevent the invasion of computer viruses. This software can scan all files on the computer and automatically detect all possible viruses, thus helping us make better decisions to protect computer security. Next, we will introduce how to use Win7's built-in antivirus software. Step 1: Enable Windows Defender Windows Defender is the antivirus software that comes with the Win7 system. We need to enable it first before we can use it. The method is as follows: 1. Open the "Control Panel" 2. Click the "System and Security" option 3. Under "Windows Defender", click "Open Windo"Ws Defender" At this time, Windows Defender has been enabled. At the same time, in the Win7 system, we can also enter its main window by right-clicking the Windows Defender icon in the system tray and selecting "Open". In this window, we can see the latest scanning, scanning schedule and default settings and other information carried out by the system. Step 2: Upgrade the virus database. We need to keep the virus database of Windows Defender up to date in order to detect all possible viruses. We can use the following steps to upgrade the virus database. 1. In the main window of Windows Defender, click "View Update History" 2.In the update history window, select "Check for updates". At this time, the system will automatically send a request to Microsoft's server and download the latest virus database update. Once the update is completed, Windows Defender will immediately start using the new virus database to scan all files on the computer. Step 3: Scan. Now we can start using Windows Defender to scan the computer and check for viruses. We can use the following steps to scan. 1. In the main window of Windows Defender, select the "Quick Scan" or "Full Scan" option 2. Click "Scan". During the scanning process, Windows Defender will detect all files on the computer one by one and mark the files containing viruses.After the scan, the system will prompt us to deal with the detected virus. Free anti-virus software has become a necessary tool for computer security protection. Although the Windows Defender that comes with Win7 is not the best anti-virus software, it can fully meet the needs of most users. With Windows Defender, we can easily protect our computer security and prevent computer viruses.

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