Hello, @Javier,
First of all, your site is not opening for me check this screenshot: https://postimg.cc/xXnFq3BW
Now, let’s answer your issues.
1- Simply navigate to the Dashboard >> XSTORE >> Theme Settings >> WooCommerce >> Shop >> Shop Page Layout >> and set the products per page you want: https://postimg.cc/4mqVSfQw then save settings and after that go to the XSTORE >> Theme Settings >> WooCommerce >> Product Catalog >> Product Per Row: https://postimg.cc/KKqZ0zn8 set it as per your need then save settings and check back to your site after clearing the browser cache.
2- Navigate to the XSTORE >> Theme Settings >> WooCommerce >> Shop >> Products Style >> and set the product title limit as per your need: https://postimg.cc/zVqb0rrh
3- Simply go to the XSTORE >> Theme Settings >> WooCommerce >> Shop Elements >> product Badges >> and set the “0” in the new label range see the image: https://postimg.cc/ZWGyPyKb then save settings and check back to your site after clearing the browser cache.
Regards 8Themes Team.