How to disable the recent document history on your computer

1. At first open the Registry Editor by pressing “windows + R” then  type “regedit” and then hit enter. (Select Start/Run, type regedit, and click OK).
2. Now go to “HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer”.
3. And then Create a NoRecentDocsHistory D_WORD key [Right Click® New ®DWORD (32- Bit) Value] . Double-click the value to open it once it is created.
4. Set the Data Value to 1 to enable the restriction with hexadecimal.
5. Click OK and close the Registry Editor. You'll need to restart the computer for the change to take effect.

Note: If you want to enable recent document then go to “HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer”. and delete “NoRecentDocsHistory” file that you have create and restart your computer.