This tweak opens Internet Explorer in Full Screen Mode by default.
To activate this option modify/create the key below:


- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main


Modify or create here in the right pane the entry :

FullScreen ( REG_SZ [String Value] )

Doubleclick this entry and set it's value to : Yes


To create the key (if not there) in the right pane :
Right click , new , create it as a REG_SZ [String Value]
and name it as mentioned above.Close registry editor !!


Note:This works initially,that means if you change the size of the
Internet Explorer window while browsing,the value in the registry
under FullScreen will be set back to No.