Win7 flagship system how to prevent file attributes from being modified to make files more secure

1, first in the keyboard press "WIN+R" key combination to open the "Run" window, enter the "REGEDIT" command, return to open Registry Editor;

2. In the Open Registry Editor, navigate to the registry subkey: "Hkey_current_usersoftwaremicrosoftwindowscurrentversionpoliciesexplorer"

or "Hkey_local_machinesoftwaremicrosoftwindowscurrentversionpoliciesexplorer", then locate and right-click "Nofileassociate" in the right side of the window ( REG_DWORD type) selection modification;

3, in the pop-up window to change its value to 1 (1 indicates: Users are not allowed to change the file properties, 0 means: Allow users to change the file properties), after the setup is completed click OK exit.