Unable installation El Capitan on dell xps 8900 skylake

Hello.
I have a Dell Xps 8900 computer, I want to install hackintosh but when
the installation stands at Apple Logo.

-computer specifications
-cpu intel core i7 6700 3.4 skylake 14mm
-16GB of 2133 MHz DDR4 RAM
-NVIDIA GeForce GTX 745 (4GB)
-Motherbord Dell Inc. 0XJ8C4
- BIOS Dell Inc. 2.0.3
- sound Realtek High Definition Audio
NVIDIA High Definition Audio
- Dell Wireless 1801 802.11b/g/n

I can not install Mac (El Capitan), and when to use the codes in the Forum because...

Unable installation El Capitan on dell xps 8900 skylake