I'm clearly an idiot and useless!
I was trying to free up space on my C Drive so started copying all my music and photos to an external hard drive in the F Drive. Once done, I left the Hard drive plugged in and deleted all my music and photos from what I thought was the C Drive.
As a result I have now lost all pictures, docs and music because although recovered, Recuva will not allow me to download the files back to my external hard drive (doesn't show as an option) and my C Drive has 9GB of space with 579GB having been recovered, so no space to put it anywhere. Meanwhile