npm.ps1 cannot be loaded because running scripts is disabled on this system. in angular code example

Example 1: \ng.ps1 cannot be loaded because running scripts is disabled on this system.

Set-ExecutionPolicy -Scope "CurrentUser" -ExecutionPolicy "RemoteSigned"

Example 2: ng : File C:\Program Files\nodejs\ng.ps1 cannot be loaded because running scripts is disabled on this system.

Run this command on your VScode integrated terminal: 
Set-ExecutionPolicy -ExecutionPolicy Unrestricted