There is no direct option to clear the history appearing in the search bar but you may use the below provided registry
editing steps and check if these help -
1. Press Win+R and type regedit and press Enter. If the UAC prompts you, click yes.
2. Go to the keyHKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\WordWheelQuery
Right click on ‘WordWheelQuery’ and choose the Delete option. Click yes in the confirmation dialog to permanently delete the history.
3. Close the Registry Editor
REGISTRY EDIT DISCLAIMER: Important: Serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.
For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft
Knowledge Base:
