It doesn't mean they will disappear forever even you empty the dustbin after the deletion. Permanently deleting files in Windows 7 is not as easy as you think of. It is very necessary to delete the data completely, making it like a new one'. I plan to give it as a present for my nephew.
I want to know how to permanently delete files in Windows 7 completely. Updated to Data Erasure Tips by Verbanic on Aug 22, 2021
