Looking at the signature of a file quickly lets you know whether that file is really what it claims to be. Here's how to tap PowerShell to figure out the file signature.

Learn how to use loops and dynamic object naming in PowerShell to build GUI settings interfaces that can adapt as new parameters are added.

Learn how to add Unblock a File to Windows right-click context menu. Use a PowerShell 3.0 commandlet, add an entry to the Registry and you are all set!