I was going to suggest this as well. To expand on this answer:
The hosts file is a file where you can kind of make your own local DNS. You type in an IP address and a domain name, and that domain will now redirect to the IP address instead of the one it would get from your regular DNS server. If the above method is too difficult, here's an alternative method.
Go to the root drive (most likely C
. Browse to windows\system32\drivers\etc\. Open the "hosts" file with Notepad. Add the following at the end of the file:
This will redirect your specified URL to the local computer's IP address. Unless a web server is running on that computer, it will just show a blank page.