Search for no traces in Windows 7

Win7's search function is very powerful and intelligent. After searching for data, it will leave a record in the search bar, which may reveal personal privacy. Therefore, after searching, it is best not to keep the search record, so as not to stay. After suffering.
●View search history

Delete search history

There is no setting about clearing search records in the search window of Explorer, and there are no related options in the control panel. When using optimization software, you can't delete it. How do you delete the search record?

Still need to operate in the registry, enter "regedit" in the search bar of the start menu to enter the registry, and then find the following key values: HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerWordWheelQuery, delete the name of the right sub-item except the default item Just fine. If you are afraid of deleting the error, you can first select the "Export" function in the upper toolbar to back up the registry. If there is any problem, you can restore it.
●Delete registry related items