change currency in checkout

Hi,

I am looking for an option to change currency in checkout when sameone change country in billing details.

All countries are set to USD, EURO and PLN currencies.

Unfortunately when I change to France still I have PLN instead EURO
https://prnt.sc/Q1zu2MS8_RAZ

I checked documentation and I found that option
https://prnt.sc/jcaaaI0UWxpg

but I don’t have it in my plugin settings

This is my shop:

https://shop.army-case.com/miniature-carrying-case/a-case-hybrid-the-kane/

Please let me know how can I set it up.
Thanks
Kamil