redmi7

Why miui 12.5 in redmi 7, has miui 12 system ui and control center and old power menu also miui 11 volume control?!

Hi! how are they? I need your help for a problem I had clear the stock rom of my redmi 7. Now I need your help What should I do to install xiaomi.eu, there is a lot of topic that I don't understand, I already have twrp installed, but where do I download the correct rom for my redmi 7? After...