Step 1:
determine, is your network password protected or not, if it isn't skip to step 3.
Step 2:
enter the password prompted if prompted in step 5.
step 3:
in your task bar, there should be something that looks like 2 monitors and a red x on top of them
step 4:
double click on that icon and find your router, it should be the one with the most "bars."
step 5:
connect, and if prompted for password, enter your network password that you got in step 2, most likely your network is not secured and you will not need to enter a password
step 6:
connect, and access internet, tada
step 7 (weirdo case)
in the case that the icon is not there, you have to click start (the circle thingy), control panel , network connections and look from there