To Show Hidden and System Files

a) go to run
b) type regedit and press OK
c) Locate the Registry HKLM*-
>Software->Microsoft- >Windows-
>Current Version- >Explorer-
>Advanced->Folder- >Hidden-
>SHOWALL
d) now in right pane find the key named
CheckedValue.
e) double click it and replace the older
value by 1
f) Hidden Files will be shown
successfully.