Mac SSD issue

[trim wind]

So recently I just installed windows on Mac and when I wanted to go back to macOS, my ssd storage went from 2tb to 38gb, if anyone knows how to fix that that would be appreciated

[bitter wigeon]

<@&1142976431584989255> Hey, a little help in here please.

[hasty estuary]

How did you install windows? What Mac? What macOS version?