1. I tried but can’t have option to change layout of header on homepage it have to use fixed layout.
2. I changed the header layout on home page to layout-4
3. Please try clear cache and check again. I check on my computer it work on Firefox
4. Please go to Claue > Theme Option > WooCommerce > Product Listing Settings > Select layout without sidebar and If category have sidebar please go to Dashboard > Products > Categories > Edit Category and select layout without sidebar http://take.ms/nUX3B