title: cannot find module '@angular/core' in Visual Studio Code IDE
body: <p>Pretty simple code. But having the error <code>cannot find module '@angular/core'</code>.</p>
  
  <p><strong>course.component.ts</strong></p>
  
  <pre><code>import {Component} from '@angular/core'
  
  
  @Component({
      selector: 'courses'
  })
  export class CoursesComponent{
  
  }
  </code></pre>
  
  <p><strong>typings.json</strong></p>
  
  <pre><code> {
    "ambientDependencies": {
      "es6-shim": "github:DefinitelyTyped/DefinitelyTyped/es6-shim/es6-shim.d.ts#6697d6f7dadbf5773cb40ecda35a76027e0783b2"
   }
  }
  </code></pre>
  
  <p><strong>tsconfig.json</strong></p>
  
  <pre><code>{
    "compilerOptions": {
      "target": "es5",
      "module": "system",
      "moduleResolution": "node",
      "sourceMap": true,
      "emitDecoratorMetadata": true,
      "experimentalDecorators": true,
      "removeComments": false,
      "noImplicitAny": false
    },
     "exclude": [
     "node_modules",
     "typings/main",
     "typings/main.d.ts"
    ]
  }
  </code></pre>
  
  <p><strong>package.json</strong></p>
  
  <pre><code>{
    "name": "angular2-quickstart",
    "version": "1.0.0",
    "scripts": {
     "start": "concurrent \"npm run tsc:w\" \"npm run lite\" ",
     "tsc": "tsc",
     "tsc:w": "tsc -w",
     "lite": "lite-server",
     "typings": "typings",
     "postinstall": "typings install"
    },
     "license": "ISC",
     "dependencies": {
     "angular2": "2.0.0-beta.7",
     "bootstrap": "^3.3.6",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.33.3",
     "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.2",
     "systemjs": "0.19.22",
     "zone.js": "0.5.15"
    },
   "devDependencies": {
    "concurrently": "^2.0.0",
    "lite-server": "^2.1.0",
     "typescript": "^1.7.5"
    }
  }
  </code></pre>
  
  <p>I know this kind of question has been answered many times. But due to my ignorance, I still don't know.</p>
  
  <p>Thanks for the help.</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>My files are organized as<a href="https://i.stack.imgur.com/YW3iG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YW3iG.png" alt="capture"></a></p>