Block at the loading of the apple

Hi,

I would like to install the macos Success' href='/2020/12/install-macos-catalina-on-supported-pc.html'>Catalina, I created the USB key with UniBeast version 10.3.0 when I launch the USB key I arrive on the clover then I choose external to install Macos Success' href='/2020/12/install-macos-catalina-on-supported-pc.html'>Catalina and I remain blocked on the loading of the apple ?

Can you help me.

Thank you.