Step 1. From the Administration menu, select system --> "Configuration".
Step 2. Select "Design" on the left-hand side panel.
Step 3. Click to expand the HTML Head Section.
Step 4. In the "Miscellaneous Scripts" text box, paste the Visual Visitor Tracking Code.
Step 5. Click the Save Config Button.
Step 6. Disable Placeholder Polyfill.
Step 7. Your Visual Visitor Tracking Code is now installed.