Can't pick up wireless signal on laptop

I have connected my desktop in network. All the computer in network are accessing internet through linksys wireless router. I also want to access internet, what do i need to pick up the signal from a wireless router ,do i need a wireless adapter?

To pick up the signal from a wireless router you need to add add wireless network adapter to your computer. You can not use a wireless router to connect to another wireless network without connection.

The strength of the wireless signal is very essential to capitalize on, through this medium of communication. The performance of a WiFi wireless network connection depends in part on signal strength. Between a computer and access point. First you need Wireless NIC and have a Wireless Access Point or AP or WAP.

You should identify a central location for the wireless router. The wireless network signals are ideally routed to and from the computer. There are many types of wireless Internet that both send and receive data from computer and router.