install ionic 4 on windows 10

in this tutorial iam going to explain step by step how to install node js and ionic 4 on windows 10

node js website
ionic website

[anaclaravgua]

I have a problem [error] ng has unexpectedly closed (exit code 127). the ionic cli will exit. please check any output above for error details.

[manelmhiri]

should i install git before i do these steps?

[migueljr]

i have problems with ionic 4 in linux... my ionic serve dont work

[bert-janstigter]

it starts up visual studio code but there is no directory like ionic4app like on 4:28
how can i connect that i dont understand

[midas]

how to proceed if we don't have visual studio code ?