Create Custom Page?

After my user buyed my product, get to the thanky ouy page, this site is shown. How
can i translate this into german ?

Please see this s2Member KBA: https://s2member.com/kb-article/quick-translation-changing-wordsphrases/

ok no i eave it, so it is. I dont want that i make an mistake and my site crashes, but thanks for your answer