procedure TForm1.FormCreate(Sender: TObject);
var
   reg: TRegistry;
   i: integer;
begin
 reg := TRegistry.Create;
 reg.RootKey := HKEY_CURRENT_USER;
  reg.OpenKey('HKCU/Software/Microsoft/winmine',false);
  for i := 1 to 3 do
   begin
   if reg.ReadString('Time'+ IntToStr(i)) <> '' then
     begin
     Edit1.Text:=(reg.ReadString('Time'+ IntToStr(1));
     Edit2.Text:=(reg.ReadString('Time'+ IntToStr(2));
     Edit3.Text:=(reg.ReadString('Time'+ IntToStr(3));
     end;
   end;
  reg.CloseKey;
  reg.free;
  end;

reg.OpenKey('HKCU/Software/Microsoft/winmine',false);

reg.OpenKey('Software/Microsoft/winmine',false);