You can use the search tool to find what you need in a large number of files. Indexing allows you to perform searches quickly. But, it is an unnecessary tool for users who do not use any search tools at all.

Here shows how to Invalidate Windows Search index. Note that this search function is used by the index information service, but if you disable it, it may also affect other tools on Windows10.

Of course, users who are using file search frequently are still OK.

To disable Windows Search

To disable it, start “service” which is one of Windows management tools.

Getting started from the control panel

▼　As below, press Windows + R key to open Run, and enter 1control or C:\Windows\System32\control.exe in the text box. Click 2OKbutton.

After Windows 10 Creators Update(version 1703), Control panel item disappeared from the right click menu of Start Button. You can check how to start the control panel from the following link.

SYSMiks

How to start Control Panel in Windows 10

https://www.sysmiks.com/windows10/start-control-panel-windows10

When updating "Windows 10 Creators Update" which is released on April 11, 2017, In the right-click menu(Context Menu) on the windows start button, the existing control panel has disappeared.Is there no control panel?▼　One of the indispensable tools frequently used by Windows users is the "control panel". By pressing Windows + X key on keyboard, the following management menu will be displayed.1Control panel is displayed in the menu before "Creators Update"(left...

▼　Specify View by: Large(Small) icons, and then click 1“Administrative Tools“.

▼　In the “Administrative Tools” window, double-click 1“Services“.

Getting started from Run

▼　As shown below, Press Windows + Rkey and open Run. Enter 1services.msc in the text field, and click 2OK button.

Windows Search

▼　Windows Search is a function that indexes and searches files or E-mail data such as Outlook, and finds items directly on PC. Right-click on “Windows Search“, and click 1“Properties” button. Or double-click it.

▼　On the General tab, select 1Startup type: Disabled, and click 2OK button.

The settings are finished. Restart the PC to apply the settings.