The PPTP of ADW-4401v4 is very easy to configure. You can go to “Advance-->PPTP” setting screen, enter the username and password to create your PPTP clients first. And then select “Enable” and click “Apply”, the PPTP server will be enabled. And now, you can use the Windows built-in PPTP client software to make a PPTP connection with ADW-4401v4.