Have to learn 6 pieces of things to do after reinstalling the system

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5. Prevent file name spoofing
Set the following options to prevent file name spoofing, such as preventing malicious files suffixed with .txt or .exe from being Displayed as a .txt file, making it possible to open the file: Double-click "My Computer → Tools → Folder Options → View", select the "Show all files and folders" property setting, remove the "Hide known file type extension" "Property settings.

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