I ask because I have to download a virus program for my new Win8 PC, but I have no known safe computer from which to download the file. Any thoughts are appreciated!
I hope you mean antivirus program.
If it is a Windows 8 machine, then the enabled by default firewall should be able to give you enough time to set up additional defenses. If you are really directly connecting to the internet, when your network connection is configured you should have set it to "Public" and let Windows Firewall protect you a little bit. It should close all the ports, even ICMP pings IIRC.
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