TL;DR: The PC Transfer Kit gives you three apps to migrate software, preserve your PC, and fully delete files, and it’s only ...

Time and again, cases are reported in which disposed hard drives still contained readable, confidential data. With a few Windows commands and the right tools, this won't happen to you.

If you can't delete files and folders from your external hard drive on Windows PC, Take ownership, REmove Write protection or follow these other fixes mentioned here.