Change default file explorer win 11

Hi wonder how to change file explorer in this case WinNc doesn't seams not to be any option in the program, and setting file association doesn't let me set winnc as default. guess i need some registry edit but im clueless how

Welcome to the Forum, I am sure you will get better answers, I had a similar thing and was told that if you right click a file type you wish to use and the Open With and select more options hopefully you will find it and then check the box always use to open this type of file