Hello,
1) Please set administrator role for the user in Dashboard, so we can take a closer look at your current settings.
On our demo, the footer is created using static block – http://prntscr.com/t3873u http://prntscr.com/t3876a http://prntscr.com/t3879i
2) Is this http://prntscr.com/t388r2 what you are looking for? https://xstore.8theme.com/product-category/all/ Please watch this video – https://youtu.be/LgzC4iK-j6A
3) Please describe the question in more detail.
Do you mean registration? It comes from WooCommerce plugin, go to Woocommerce > Settings > Accounts & Privacy > Account creation > Allow customers to create an account on the “My account” page https://docs.woocommerce.com/document/configuring-woocommerce-settings/#section-15
4) Check docs of WooCommerce plugin, or contact support of the plugin.
5) Appearance > Menus > http://prntscr.com/t38br4 , http://prntscr.com/t38bwp > http://prntscr.com/t38c35 http://prntscr.com/t38cb9
Also, watch this video – https://youtu.be/MpBTTI5Ji-I
6) Theme Options > Footer > Footer layout > Show Footer Demo Blocks > Off. Go to Apperance > Widgets > edit content of Footer Copyrights Left area.
Regards