Chadwingle

I haven't how would i go about that?

https://gyazo.com/61b43bb93e38620429c33e9c2ccee10e This picture above is my SSD that has my boot drive no quite sure is the issue with it but i'll list my current problems. - Attempting to boot my PC it gets the loading circle and then My mice/keyboard lights turns off and PC wont boot into windows. After 10+ Attempts of clicking the reset button finally repairs files and works. - I lost EVERYTHING on my desktop bysides a handful of shortcuts. - Computer is running REALLY slow. Now what im after and need help with, i've got 2 other drives (1TB & 4TB) I want to transfer everything off my SSD to my 4TB HDD and make it my boot drive without losing anything. and make it boot from that drive so i can unplug my SDD untill i get a new one. And im lost to how i do that. I've still got my window key / usb if needed. PLEASE HELP URGENT!