Can't proceed to checkout

-- HikaShop version -- : 5.1.0
-- Joomla version -- : 5.1.1

Dear Hika team,

I have some other questions too but my first problem is that I can't go to checkout after a product is added to the cart.
First of all if I click the popup nothing happens. But second I don't want the popup at all so according to some topics on this forum I disabled the cart notify plugin but the popup keeps showing. I also checked the database.

Also I read that in configuration there must be an option "When a product is added to the cart... go straight to checkout. But I can't find that option anywhere.
I just bought Hikashop Essential yesterday so I have the latest version.

I appreciate your help.

Thank you Nicolas but which setting should I use? Because I tried all the settings and the best one is this (see image).
It does redirect to the checkout but you still see the popup first.

Meanwhile I changed the alias of the product page.

This is fne by me. Thank you!