How to setup very first React Native app with expo

I’ve tried commands:

npm i -g expo-cli
expo init uber

The error:

>Solution :

You have two options:

• Switch to cmd
  or

• Run this command

  Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass

This command is going to work untill you close the PS, if you reopen it, you should pass it again, there is a very big thread for this, take a look:
ps1 cannot be loaded because running scripts is disabled on this system