How to restore the deleted file (the recycle bin has been cleared)

Retrieve documents deleted by mistake and clear the recycle bin
Steps:
1. Click start -- run, and then enter Regedit (open registry)
2, expand in turn: HEKEY--LOCAL--MACHIME/software/Microsoft/Windows/CurrentVersion/Explorer/desktop/namespace on the left blank and click "new"
Select "primary key" and name it "645ffo40--5081--101b--9f08--00aa002f954e"
Set the key value of the "default" primary key on the right to "recycle bin" and exit the registry. OK.
3. Restart your computer.
As long as your machine has not run Disk sorting. The system is in good condition. files can be retrieved at any time.

I have never practiced it. Remember it here first.