diff --git a/modules/simplenews_demo/config/install/block.block.simplenewssubscription.yml b/modules/simplenews_demo/config/install/block.block.simplenewssubscription.yml
new file mode 100644
index 0000000..7cb6b25
--- /dev/null
+++ b/modules/simplenews_demo/config/install/block.block.simplenewssubscription.yml
@@ -0,0 +1,44 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - node
+    - simplenews
+    - system
+    - user
+  theme:
+    - bartik
+id: simplenewssubscription
+theme: bartik
+region: sidebar_first
+weight: null
+provider: null
+plugin: simplenews_subscription_block
+settings:
+  id: simplenews_subscription_block
+  label: 'Simplenews subscription'
+  provider: simplenews
+  label_display: visible
+  cache:
+    max_age: 0
+    contexts: {  }
+  newsletters:
+    demo: demo
+  message: 'Stay informed - subscribe to our newsletter.'
+visibility:
+  node_type:
+    id: node_type
+    bundles:
+      simplenews_issue: simplenews_issue
+    negate: false
+    context_mapping:
+      node: node.node
+  user_role:
+    id: user_role
+    roles:
+      anonymous: anonymous
+      authenticated: authenticated
+      administrator: administrator
+    negate: false
+    context_mapping:
+      user: user.current_user
diff --git a/modules/simplenews_demo/config/install/simplenews.newsletter.demo.yml b/modules/simplenews_demo/config/install/simplenews.newsletter.demo.yml
new file mode 100644
index 0000000..b0263af
--- /dev/null
+++ b/modules/simplenews_demo/config/install/simplenews.newsletter.demo.yml
@@ -0,0 +1,16 @@
+id: demo
+name: 'Demo newsletter'
+description: 'This is the demo newsletter.'
+format: plain
+priority: 0
+receipt: 0
+from_name: ''
+subject: '[[simplenews-newsletter:name]] [node:title]'
+from_address: 'replace@example.org'
+hyperlinks: 1
+new_account: none
+opt_inout: double
+weight: 0
+status: true
+langcode: en
+dependencies: {  }
diff --git a/modules/simplenews_demo/simplenews_demo.info.yml b/modules/simplenews_demo/simplenews_demo.info.yml
new file mode 100644
index 0000000..818c8d0
--- /dev/null
+++ b/modules/simplenews_demo/simplenews_demo.info.yml
@@ -0,0 +1,8 @@
+description: Demo module for simplenews.
+core: 8.x
+dependencies:
+  - simplenews
+hidden: false
+name: Simplenews demo
+package: Simplenews
+type: module
diff --git a/modules/simplenews_demo/simplenews_demo.install b/modules/simplenews_demo/simplenews_demo.install
new file mode 100644
index 0000000..44ffbfa
--- /dev/null
+++ b/modules/simplenews_demo/simplenews_demo.install
@@ -0,0 +1,54 @@
+<?php
+use Drupal\node\Entity\Node;
+use Drupal\simplenews\Entity\Newsletter;
+
+/**
+ * @file
+ * Simplenews_demo base install file.
+ */
+
+
+/*
+ * Implements hook_install().
+ *
+ * Declares initial configuration for simplenews_demo.
+ */
+function simplenews_demo_install() {
+  // Set the default values for test_address, from_address and from_name.
+  $site_mail = \Drupal::config('system.site')->get('mail');
+  $site_name = \Drupal::config('system.site')->get('name');
+
+  $config = $config = \Drupal::configFactory()->getEditable('simplenews.settings');
+  if (empty($site_mail)) {
+    $site_mail = ini_get('sendmail_from');
+  }
+  $config->set('newsletter.from_address', $site_mail);
+
+  if (empty($site_name)) {
+    $site_name = 'Drupal';
+  }
+  $config->set('newsletter.from_name', $site_name);
+  $config->save();
+
+  user_role_grant_permissions(DRUPAL_ANONYMOUS_RID, array('subscribe to newsletters'));
+  user_role_grant_permissions(DRUPAL_AUTHENTICATED_RID, array('subscribe to newsletters'));
+
+  // Init the demo newsletter.
+  $newsletter = Newsletter::load('demo');
+  $newsletter->from_name = $site_name;
+  $newsletter->from_address = $site_mail;
+  $newsletter->save();
+
+  // Create a newsletter issue
+   $node = Node::create(array(
+    'type' => 'simplenews_issue',
+    'title' => 'Demo newsletter issue',
+    'uid' => 0,
+    'status' => 1,
+    'simplenews_issue' => 'demo',
+  ));
+  $node->save();
+  // Create two subscribers.
+  simplenews_subscribe('a@a.com', 'demo', FALSE);
+  simplenews_subscribe('b@b.com', 'demo', FALSE);
+}