Hello,
1. Please check now
https://www.8theme.com/demo/docs/legenda/#!/registration_page
2. Please check now.
3. Simply edit your Footer static block http://prntscr.com/ilrgwh > http://prntscr.com/ilrh1q
4. Please explain in details why do you think that there is some cache problem?
5. Please check now. I’ve enabled these elements in Theme Options > Products page layout.
6. You need to create shipping zones – https://docs.woocommerce.com/document/setting-up-shipping-zones/
Regards