How does the win7 Ultimate system prohibit modifying the file attributes to make the files more secure?

1. First press the “Win+R” key combination on the keyboard to open the “Run” window, enter the “REGEDIT” command, press Enter to open the registration. Table Editor;

2. In the open registry editor, navigate to the registry subkey: "HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer"

or "HKEY_LOCAL_MachineSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer", and then in the right side of the window Find and right click on the "NoFileAssociate" (REG_DWORD type) to select the modification;

3, in the pop-up window, change its value to 1 (1 means: users are not allowed to change the file attributes, 0 means: allow The user changes the file attribute), after the setting is completed, click OK to exit.