REGEDIT4

[HKEY_CURRENT_USER\Software\GNU\Emacs]
"EMACSDATA"="C:\\Program Files\\emacs-21.3\\etc"
"EMACSDOC"="C:\\Program Files\\emacs-21.3\\etc"
"EMACSLOADPATH"="C:\\Program Files\\emacs-21.3\\site-lisp;C:\\Program Files\\emacs-21.3\\lisp"
"EMACSLOCKDIR"="C:\\Program Files\\emacs-21.3\\lock"
"EMACSPATH"="C:\\Program Files\\emacs-21.3\\bin"
"INFOPATH"="C:\\Program Files\\emacs-21.3\\info"
"SHELL"="C:\\Program Files\\emacs-21.3\\bin"
"TERM"="cmd"
"emacs_dir"="C:\\Program Files\\emacs-21.3"
"HOME"=hex(2):25,55,53,45,52,50,52,4f,46,49,4c,45,25,00
;              %  U  S  E  R  P  R  O  F  I  L  E  %

[HKEY_CLASSES_ROOT\*\Shell\Edit_with_Emacs]
@="Edit with &Gnu Emacs"

[HKEY_CLASSES_ROOT\*\Shell\Edit_with_Emacs\command]
@="C:\\Program Files\\emacs-21.3\\bin\\runemacs.exe \"%1\""