How to permanently close the tools pane in Adobe Acrobat?

When you open any PDF in Adobe Acrobat, by default the tools pane or the RHP is visible. How can you hide or close the RHP by default whenever opening any PDF?

Environment

Windows
Adobe Acrobat
Acrobat Reader

Steps

You can permanently close the tools pane in Adobe Acrobat by modifying the value of a registry key. 

To permanently hide the RHP in Adobe Acrobat, do the following:

1. Open Registry Editor.
2. Go to [HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat\DC\AVGeneral].
3. By default, bExpandRHPinViewer is already present at this location change its value to 0.

To do the same for Acrobat Reader, do the following:

1. Open Registry Editor.
2. Go to [HKEY_CURRENT_USER\Software\Adobe\Acrobat Reader\DC\AVGeneral].
3. By default, bExpandRHPinViewer is already present at this location change its value to 0​.

Additional information

You can also have the settings through Acrobat Reader preferences as documented in the following article:

https://helpx.adobe.com/acrobat/kb/disable-right-hand-pane-in-acrobat-reader.html.