please help me

[matrix at altima.net]

#1 Can you tell me the commands to write to install and use a port once it is copied on my harddisk by /stand/sysinstall? (please a good quality answer is very important for me because im a Newb)

#2 Why when I am connected to the Internet and I type an adress in my browser it never may find the page it give me an error like "this page cant be displayed or found, I tryed all adresses, hotmail.com, yahoo.com, microsoft.com, freebsd.org, netbsd.org...

Thank you for your answer :)