If you wish to replace the Microsoft Internet Explorer with your own brand, use regedt32 to navigate to:
HKEY_CURRENT_USERSoftwareMicrosoftInternet ExplorerMain
On the Edit menu, Add Value name Window Title, as a string (REG_SZ) data type. Enter a text string.
When you open a new Internet Explorer window, all your window titles will have your text string appended.
To remove the custom title, simply delete the Window Title value name.