1. Start Regedit
2. Go to HKEY_CURRENT_USER\ Software \ Policies \ Microsoft \ Internet Explorer \ Restrictions
3. Add a DWORD with a name of:
NoBrowserBars Disable changes to browsers bars.
NoBrowserClose Disable the option of closing Internet Explorer.
NoBrowserContextMenu Disable right-click context menu.
NoBrowserOptions Disable the Tools / Internet Options menu.
NoBrowserSaveAs Disable the ability to Save As
NoFavorites Disable the Favorites.
NoFileNew Disable the File / New
NoFileOpen Disable the File / Open
NoFindFiles Disable the Find Files
NoSelectDownloadDir Disable the option to change download directory
NoTheaterMode Disable the Full Screen view
NoOpeninNewWnd Disable Open in New Window
NoViewSource Disable the ability to view the page source HTML.
NoNavButtons Disables the Forward and Back buttons
NoPrinting Remove Print and Print Preview from the File menu.
AlwaysPromptWhenDownload Always prompt user when downloading files.
4. Give it a value of 1 to turn on the restriction
5. Go to HKEY_CURRENT_USER \ Software \ Policies \ Microsoft \ Internet Explorer \ Toolbars \ Restrictions
6. Create a DWORD with the name of the option from the list above:
NoFileOpen Disables the File/Open
7. Give it a value of 1 to enable this restriction.