CANT CHOOSE EXTERNAL DRIVE TO RECOVER TO FREE VERSION

WHEN I TRY TO RECOVER, I CHOOSE THE EXTERNAL DRIVE AND WHEN I CLICK TO IT, IT ASKES ME IF I WANT TO SAVE TO THE HARD DRIVE AND WONT LET ME CLICK NO

ummm, what's the question? :)

if you are trying to save to the same drive you are recovering from, then Recuva won't let you.