install issues

 1.for first time in a system to install npm and run ng s get this error

ng : The term 'ng' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling   

of the name, or if a path was included, verify that the path is correct and try again.

At line:1 char:1

+ ng -v

resolve using this cmd

set-ExecutionPolicy RemoteSigned -Scope CurrentUser