Using the Registry Edit, you have to create this key:
Inside that key, add a DWORD value named: LivePreview_ms
...and you set its value to 0.
When restart Windows Explorer to take effect. You can either log off and log back on to kill Explorer, or open Task Manager, end the EXPLORER.EXE process, and then use Task Manager's File -> Run to run EXPLORER.EXE
or simply restart your computer.