Warning: Trying to access array offset on false in /data/7/6/76be0ebb-7901-4778-a18a-960c29e0a542/atiz.sk/web/wp-content/themes/i-max/single.php on line 24

a. Go to „Appearance“ > „Menus“.
b. Create a new menu, add pages and links
c. Check „Navigation Menu“ and save