How to clear all windows history files with a single click?

Copy the following lines and paste in notepad then save with the
name Cleanmru.reg on your desktop

REGEDIT4

[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TypedURLs]

[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RunMRU]

[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs]

[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\ComDlg32\

LastVisitedMRU]

[-HKEY_CURRENT_USER\Software\Microsoft\Search Assistant\ACMru]

When you double-click Cleanmru.reg icon to remove the windows history, a small dialog box will appear with the information "Are you sure you want to add the information in C:\Documents and Settings\Administrator\desktop\Clearmru.reg to the registry?"

At the end, you will get the message "Information in C:\Documents and Settings\Administrator\desktop\Clearmru.reg has been successfully entered into the registry." Click on Ok button and verify that your all history will have been clear.