This is an awesome feature present in Windows 10 Technical Preview Build 9879.

How to execute Undo Delete And Redo Delete Feature:

  1. Delete any item either from Desktop or Documents or Pictures.
  2. Now, right-click and select Undo Delete or press CTRL+Z keys.
  3. You will find the deleted item instantly got restored to its default location.
  4. Now if you wish to delete it again then right-click and select Redo Delete or simply press CTRL+Y keys.