How to change IP address of moto g2?

[AC Question]

i am using moto g2 on android 5.0.2 (lolipop).. i want to chnge my ip address of my phone...
i had already done up to this...
"Touch Apps
Touch Settings
Touch Wi-Fi settings
Touch Add Wi-Fi network
Enter Name under Network SSID, and touch Save"

but after saving a network .. when i am trying to do this step..

"Touch and hold the "network name", and touch Modify network
Select Static under IP settings, and enter the specific network information"

nothing happens...??
plz give me a solutions

 

[Hamza Ahmad2]

You may have static IP, you can download free VPN to change your ip easily.