Back office settings issue

[Dannystyles]

Hello, I am using prestashop 1.7.5 on xampp localhost and have a few challenges I need help with.

Some pages on my back office aren't displaying well, and some forms have the select options all displayed outside as a list, making it impossible to select one. 

In such pages, the left column also appears skewed and unselectable. Pls see attached snapshot for details. You see the shopping_basket, orders, catalog and store all out of place.

Secondly, I am trying to add a select option to the address form in the customer checkout page. I want to add a select category for state before city. I also want to covert the city field to select, instead of having customers type in the city. I checked the address.tpl and I don't quite understand how to go about it.

Thanks for assisting.

[Razi]

For Backoffice design issue Kindly connect your computer/device with internet and check again.

[JBW]

Check your PHP version - Prestashop is only compatible until PHP 7.2