The security of wireless networks should be of great concern for us. If we don't implement security adequately, someone could see all data that is transferred over our wireless network, even our usernames and passwords.
We can use Windows Firewall to protect our machine from outside threats that are trying to get into our computer. However, firewall will not prevent us from initiating or requesting a threat.
What if we want to copy our files and settings from our older computer to a newer computer running Windows 8? To do that we can use the WET tool.
Environment variables are variables that store different information, and that can be accessed by the operating system or any program on the system.