Why powershell does not run Angular commands? [duplicate]

Why powershell does not run Angular commands? [duplicate]

javascript angular powershell angular-cli

angular

The term 'ng' is not recognized as the name of a cmdlet

node.js angular powershell npm angular-cli

angular

Trying to install Angular 2 Material from npm - unrecognized token in source text

node.js powershell angular npm

angular

electron - node.js - ng : file path\ng.ps1 cannot be loaded because running scripts is disabled on this system

node.js angular powershell electron npm-start

angular

Error: "The operation was rejected by your operating system" when trying to create new angular project using windows powershell

node.js angular powershell

angular