How to connect wifi in android

how to internet in adroid free or set time 

hi if you want to run internet in your computer then frist you have set right time or call to custumer call center or say to send sitting of internet in your mobile ok then active your internet package ok if you want to run wifi then click on your sittings or click on wifi ok then there was a network in your mobile to connect your mobile then give its password and then enjoy it ok...................... be happy from this trick