Hi. What you need to do is get a Wireless Internet Router. Also, make sure your Laptop is Internet ready, either with a built in modem or an Internet Card. Then, follow the instructions on setting up the Router with Hardware (Laptop, Printers etc). If you do not already have a Wireless Router, I am currently using an AzureWave AW-GR20. It's cheap, and serves it's purpose brilliantly. �30 from Staples. Hope this helps...
If you need any help setting it up with your Printer or whatever, you can just let me know here or whatever:)