help needed for data recovery

i was using windows 10 and decided to try zorin os, while installing zorin os , i selected option of erase drive while i wasnt aware that it will erase entire hard disk , i lost my important data, earlier i was having two partition in 1TB hard drive, c-100GB & D-865GB , now its showing entire drive as single partition and 920GB shows as free
is there anyway i can recover my file, for that i can recover using zorin os which currently i am using or i have to install windows again ?
any help i...

help needed for data recovery