Update README.md

Author: Yozhef

README.md

@@ -8,21 +8,51 @@ Behat HTTP Mock Context
 Installation
 ============
 
-Step 1: Install Context
+Step 1: Download the Bundle
 ----------------------------------
 Open a command console, enter your project directory and execute:
 
+###  Applications that use Symfony Flex [in progress]
 ```console
 $ composer require --dev macpaw/behat-http-mock-context
 ```
 
-Step 2: Update Container config to load Context
-----------------------------------
-In the `config/services_test.yaml` file of your project:
+### Applications that don't use Symfony Flex
 
-```yaml
-    BehatHttpMockContext\:
-        resource: '../vendor/macpaw/behat-http-mock-context/src/*'
+Open a command console, enter your project directory and execute the
+following command to download the latest stable version of this bundle:
+
+```console
+$ composer require --dev macpaw/behat-http-mock-context
+```  
+
+This command requires you to have Composer installed globally, as explained
+in the [installation chapter](https://getcomposer.org/doc/00-intro.md)
+of the Composer documentation.
+
+
+Then, enable the bundle by adding it to the list of registered bundles
+in the `app/AppKernel.php` file of your project:
+
+```php
+<?php
+// app/AppKernel.php
+
+// ...
+class AppKernel extends Kernel
+{
+    public function registerBundles()
+    {
+        $bundles = array(
+            // ...
+            BehatHttpMockContext\BehatHttpMockContextBundle::class => ['test' => true],
+        );
+
+        // ...
+    }
+
+    // ...
+}
 ```
 
 Step 2: Mock http client
@@ -55,7 +85,7 @@ Now we ready add build mock collection
 ...
 ```
 
-Step 4: Configure Behat
+Step 3: Configure Behat
 =============
 Go to `behat.yml`