How to set up TP-Link TL-WR940N as an AP

Connect modem to the router and connect the router to computer

Go to router's setting page by typing in the default access URL to an internet browser address bar, shown back of the router. Use Default Username and password.

Follow the quick step's first page by pressing NEXT

Choose the Acess Point (AP) option and press next

Set up the AP's SSID and password for the wifi

Set up the type of IP you want to use by choosing either Static IP or Dynamic (DHCP) IP. If you are not sure which one to use, choose dynamic IP. 

Static IP ONLY: Fill out IP address and submask

Reboot the router and your router is set up as AP.