If you like to change the Site Default page title, page description Please you can set into general Configuration.
Please Create and Select the Term & Condition Page for the Checkout here too.
In Catalog Configuration you can set the no of products to display on category page.
Please Select If you like to display a tax on Cart Page or not?
Please Select the default country for the tax calculation.
Would you like to use Paypal as an Payment Option?
Please get your client ID from Paypal website and put it here
Please get your client SECRET from Paypal website and put it here
Paypal Payment mode Sandbox (Testing) or Live
Paypal Payment URL
Would you like to Enable Payment Log?
Please Select Default Country for Customer Address