Did you follow the tutorial I posted? If so, the English-translated part may not have the right terminology. I followed the instructions on the linked website: https://www.404media.co/paypal-personalized-shopping-opt-out/. I suppose, this is appliccable worldwide.
I looked it up. Neat concept, but it is availiable within US only. There is nothing similar availiable at my country - at least, not that I know of.