For Online Computer Support, Ask a Computer Technician
Going back to Windows 7 now will complicate things further. Ofcourse, i can instruct you how to but briefly you will need to download and create a bootable ISO disc, and then install Windows 7 from it, doing this will delete all programs and data. Therefore in my opinion it would be more appropriate to fix Windows 10 and make it the way Windows 7 looked. Let me know if you like the idea, i'll then send you the request for remote service.