It is said that next month TP-LINK will release the MFP software which will be compatible with win 8.

You dial up on the Modem, right? If you are using the PPPoE connection type provided by your ISP, you can try to make the modem work in bridge, and then put the usr &psw on your wireless router.

You may try this: If you used to visit the shared files by \\192.168.1.1, please delete recorded user account on your computer with net use\\192.168.1.1/delete/yes ; If you used to visit the shared...

Lol

You may consider to set up the PPPoE server. This link may help you http://www.tp-link.com/en/article/?faqid=410

It properly will do. I have consulted this before on their hotline support.