Smart Win7 system search does not leave traces of history

For the computer family, the hard disk space is always filled very full, then when the user needs to find files that are separated by a long time, the search function is used, and we know that there is search navigation under the Win7 start menu. Although 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 to avoid leaving future trouble. So in the win7 system, how to delete the search record?
Delete the search record
In the search window of the resource manager, there is no setting about clearing the search record, and there is no related option in the control panel. When using optimization software can not be deleted, then how to delete the search record?
Still need to operate in the registry, enter "ldedit" in the search bar of the start menu, enter the registry, and then find the following key values :HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerWordWheelQuery, delete the right sub-item except the one named default. 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.
Tips: How to improve the search speed
Adding the hard disk partition to the index will greatly improve the search speed, although the speed will be slower when indexing for the first time, but after the index is completed, the search file is basically It’s just a second. Detailed settings can be made in the "Index Options" tab of the Control Panel.
In the Windows system, many settings can be modified in the group policy. Those who are interested in researching Windows can look at the various options and settings in the group policy. The harvest will not be corrected. The group policy and the registry are Related, the system's registry saves the database of system software and application software configuration, and as Windows functions become more and more abundant, there are more and more configuration items in the registry, many configurations can be customized, but these The configuration is distributed in every corner of the registry. If it is manually configured, it is very troublesome. The group policy integrates the important configuration functions of the system into various configuration modules for the user to directly use, thereby achieving the purpose of conveniently managing the computer.