How to make custom linux distribution with live boot capabilities

ashtek1

Hello everyone , i am new to this forum

i am a student , and a Debian 10 XFce user , I Want to create my own usb linux distribution with live boot capabilities ,

according to some methods , i have used Linux-live kit , from github
and also tried programs that offer live system creation,

but i am facing errors in every method ,,

according to initial steps, i have customised the OS and installed required programms

i request you to please guide me to make my own live bootable distro ,
OS- Debian 10 Buster XFCE

Thaknks
Ashutosh_7i