DSL 2640T wireless router Save and Reboot

There is an question that always ask by surfer on where can i find [Save and Reboot] button after i have change the port forwarding. There a lots of good article on port forwarding, hence, i wont discuss here. You can get a good one here http://www.portforward.com/english/routers/port_forwarding/Dlink/DSL-2640T/BitComet.htm

My concern here is where to find [Save and Reboot] button after all the setting.
Well, it's here
1. Click on Tools
2. Click on System
3. You can find the [Save and Reboot] button.

Done. Hope this help.