Custom Rome Huawei p8 lite 2017?

My Huawei smartphone is no longer guaranteed, and I would like to install a custom rome now, but find only very poor tutorials. If these are explained in detail, the creators of these videos speak only extremely indistinct English. After a long search I found no instructions on Google. Now I wanted to ask if jmd knows how to install a custom rome here. My model number is: PRA-LX1.

Lineage OS is watching youtube videos about it I used to have a galaxy s4mini and I also had custom rom installed android 8 was the newest one back then