Steps to delete data forever If you’re serious about your personal security, you need to erase sensitive data for good. To do it, you need software like Eraser or Blank and Secure for Windows.

A special parameter in the Windows 11 Format command will overwrite all data on a hard drive with random numbers, eliminating access to sensitive information.

If you have more than one browser, be sure to delete browsing data from each browser to remove all data from your computer.