add notepad to right-click menu in windows

download the below file and marge it to registry.
after that you should see the notepad in your right-click option.
http://www.mediafire.com/download.php?8zwsnegwmehz4ux

or you can make a notepad.reg file and put the following code and save it then marge it:
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.txt]
"Content Type"="text/plain"
@="txtfile"
"PerceivedType"="text"
[HKEY_CLASSES_ROOT\.txt\OpenWithList]
[HKEY_CLASSES_ROOT\.txt\PersistentHandler]
@="{5e941d80-bf96-11cd-b579-08002b30bfeb}"
[HKEY_CLASSES_ROOT\.txt\shell]
[HKEY_CLASSES_ROOT\.txt\shell\open]
[HKEY_CLASSES_ROOT\.txt\shell\open\command]
@="notepad.exe %1"
[HKEY_CLASSES_ROOT\.txt\ShellNew]
"NullFile"=""