Let’s start with what you mean when you say,
What software? What does “major problems” mean, exactly? Are you being presented any messages or dialog boxes you are not certain how to address? Are you seeing any error messages presented in the console window, or maybe the software stole your keys and went for a joyride? Cheeky I know, but you have offered very little we can use to assist and help you resolve this. 
No additional hardware is required to utilize LightBurn, although you may need to update the firmware of your xTool to have things work as expected.
The following is worth review,