lil nooby question

[T4ct0r]

this may sound strange and nooby, but i installed the map editor, but where do i open it? :disgust:

[StormShadow]

start/programs/GTKRadiant 1.3.8-ET

or

C:\Program Files\GtkRadiant-ET-1.3\GtkRadiant-1.3.8-ET.exe