PowerShell makes it easy to create a custom pop-up notification in Windows.

The average Windows user probably doesn't need to use PowerShell, but it's nice to know what it is if you do need it.

You can find or see names and values of Environment Variables in using Windows Settings, Registry, Command Prompt and PowerShell.

A handy tip was shared online this week, showing how you can use PowerShell to monitor changes to the Windows Registry over time.