Well I already did forward my ports like it said in the tutorial, as so:

However, whenever I try to make a server, it still shows dead, but that's probably because I haven't changed the TCP/IP thing yet. The only problem is, everytime I try to change that, the internet on this computer doesn't end up working. Can anyone tell me what stuff to put into the TCP/IP thing? I'm kind of confused by the tutorial.
Here's my IP and stuff:

I especially don't get what to put in the DNS thing, because the only thing it shows as a DNS for me is the 192.168.1.1 thing, which I'm pretty sure isn't a real DNS.