Win8 how to delete search traces

Win8 delete search traces as follows:
Windows 8 system search function is very powerful, but also very smart, after searching for data, will leave a record in the search bar, so there may be leakage Personal privacy, so after searching, it is best not to keep the search history, so as not to leave behind.
Delete Search History
There is no setting for clearing search records in the Explorer's search window. There are no related options in the control panel, and sometimes it cannot be deleted using the optimization software.
Operating steps:
1. On the Metro or traditional desktop, move the mouse to the upper right or lower right corner, call up the Charms Bar and click the “Set” button.

2, then click on the <;Change PC Settings" button at the bottom.

3. In the pop-up computer settings interface, find and click "Search” in the list on the left, then find and click on the right side & delete the history”.

4. Wait a moment, the system will automatically delete the search traces. When finished, it will prompt the screen as shown below.