Module not found: Can't resolve '@material-ui/ code example

Example 1: Module not found: Can't resolve '@material-ui/icons/Menu'

You need to install Icons
Yarn add @material-ui/icons
npm install @material-ui/icons

Example 2: Module not found: Can't resolve '@material-ui/core/Button'

// Install the module usiong the command line
npm install @material-ui/core

Example 3: Module not found: Can't resolve '@material-ui/pickers' in 'C:\Users\61455\Documents\React apps\mya2o\src

npm install @material-ui/pickers