HS code correlation with global standards

Win7 official original system download detailed explanation Windows7 is HS code correlation with global standardsan operating system launched by Microsoft, which is the successor version of Windows Vista, in July 2009 Launched on the 22nd of the month.Compared with the previous generation of operating systems, Windows 7 optimizes performance and user experience, and upgrades many functions. So far, Windows 7 has been the preferred operating system for many enterprises and individual users. However, have you encountered any problems during use or some unexpected situations on your computer that cause you to reinstall the operating system? If the answer is yes, this article will provide you with a solution and introduce in detail how to download and install the official original system of Windows 7. I. How to download the official original system of Win7 Before downloading the Win7 system, you need to know the version and language of the system so that you can choose according to your needs. There are multiple versions of the Windows7 system, mainly including Home Popular Edition, Home Premium Edition, Professional Edition, Ultimate Edition, etc.The functions and applications of different versions are slightly different. You can choose the corresponding version according to your needs. 1. Visit Microsoft's official website. Before downloading the operating system, we need to visit Microsoft's official website. The website is https://www.microsoft.com/zh-cn/software-download/windows7. After entering the website, select You can start downloading with the appropriate version and language. Two. Choose the version suitable for your computer hardware system. On the download page, Microsoft provides the official original system image file download of various versions of Windows 7, and provides various languages, including Chinese, English, Spanish, French, etc. First of all, we can choose to download the corresponding 32-bit or 64-bit version of the system file according to our computer hardware system.If you are not sure about the architecture of your computer, you can right-click in "My Computer" and select "Properties" to view. 3. After the verification system file download is completed, we can verify the system file to ensure that the downloaded file is the official version, so as to avoid downloading viruses or other unsafe software. Take the verification method of MD5 value as an example, we need to download a file MD5 verification tool, then open the tool and drag the downloaded system file to it to obtain the MD5 value of the system file. Just find the MD5 value of the corresponding system file on Microsoft's official website to see if it is consistent. II. How to install the official original system of Win7? After downloading the system file, we need to install it on the computer. Before installation, you need to do some preparations, such as backing up important information and files, checking the condition of the computer hardware, confirming whether the USB flash drive or CD-ROM installation disk is available, etc.The methods of installing the Win7 system include USB flash drive and CD-ROM, which are selected according to the actual situation. 1. Install through the USB flash drive (1) First of all, we need to prepare an empty USB flash drive with a capacity of not less than 4GB, insert it into the computer and format it. ( 2) Download the "Windows7 USB DVD Download Tool". After opening the downloaded Windows7 system files and tools, select "USB Device". ( 3) Select the USB disk storage path, select the ISO image file of the downloaded Windows 7 system file in the next step, and click "Start Copy" to start making the boot USB disk. ( 4) Check the prompt box "The whole operation will format the USB device you selected" that appears, click "Start Copy" and wait for the program to proceed. After completion, the Windows 7 boot USB disk is made.(5) Restart the computer, enter the BIOS setting option, turn on the USB device as the startup device, and you can start installing Windows 7. Two. Through CD-ROM installation (1) Burn the ISO image file of the Windows7 system file to the CD; (2) Select the optical drive for the first boot device, and you can automatically start the CD for system installation. III. Features and advantages of Win7 system Compared with Vista, Windows7 has many improvements and optimizations, which are reflected in the following aspects: 1. Excellent performance Windows 7 perfectly combines the performance provided by the operating system and computer hardware, and uses a new feature called "SuperFetch", which preloads the most likely data and provides faster access speed for subsequent use.Two. Easy to use Windows7 has improved user interfaces such as taskbar, launcher, Windows navigation and home screen, making it more humane and friendly. In addition, it also integrates some functions to make the operation of the computer more convenient and faster. 3. Good security Windows 7 includes some security improvements and upgrades, such as BitLocker for encrypting files, AppLocker for controlling the running permissions of certain programs, and Windows Defender to reduce computer attacks by viruses and malware. Wait a minute. Generally speaking, the official original system of Windows 7 is an excellent operating system. Whether it is used for home or commercial purposes, it can provide excellent performance and experience. If you need to reinstall the operating system, it is a good choice to download and install the official original system of Windows 7.

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