Earlier, I wanted to play around with Angular CLI, but my npm and node versions were out of date. The Angular CLI npm install would fail.
Fortunately, there is a straight-forward update method.
On github, the Microsoft team has placed a method for updating node through PowerShell:
I was happy to stumble upon this on Github. After using the script in the recommended fashion, from an elevated PowerShell console, the Angular CLI npm installer worked without a hitch.
Set-ExecutionPolicy Unrestricted -Scope CurrentUser -Force npm install --global --production npm-windows-upgrade npm-windows-upgrade