**Step 1:** Login to your Zendesk Help Center admin panel. **Step 2:** Go to **General Settings** and select **Customize Design**.![][1] **Step 3:** Now click on the **Edit Theme** link on the left pane.![][2] **Step 4:** Click on "**JS**" tab on top of the left pane.![][3] **Step 5:** Paste HappyFox Chat's **[ins…