Windows Update is a program that is used to update the software on your computer. It can be used to install new software, fix problems, and add new features. It can also be used to check for updates and security patches. If you are using a firewall, you may want to allow Windows Update through your firewall. This will help protect your computer from being infected with viruses and other malware. To allow Windows Update through your firewall, open the firewall program and click on the Add Rule button. Type in the following information: WindowsUpdate should now be allowed through your firewall!