How Do i get my linksys router to get the internet to a different room?

The router is connected to my normal computer to get the internet.



But how do I get the internet connection to get to my other room?



I dont know how to work these things.How Do i get my linksys router to get the internet to a different room?
Needs to be a wireless router to provide service to other rooms; or you would have to run a ethernet cable. Most newer computers have wireless capability but as said the router has to have the capability of transmitting it too.