I've formate my system a few days ago, however, I do not know if I need to re-format my system or not, however, I want to learn how to formate Windows systems, so here's my problem I do not know yet how to formate my system.However, really need to transfer all my files from the current system to an external disk, so I need to learn more about Windows systems, so let's start and what would you suggest for me to do right now?