To display the Security tab
Open Folder Options in Control Panel.
Click Start, and then click Control Panel.
Click Appearance and Themes, and then click Folder Options.
On the View tab, under Advanced settings, clear Use simple file sharing [Recommended].
Set, view, change, or remove file and folder permissions
Set, view, change, or remove special permissions for files and folders
Take ownership of a file or folder
View effective permissions for files and folders