On the previous screens, you have seen some of the information you can find in the Registry. To get a hold of the possibilities, take a look at the program "RegEdit" which is a part of Windows. The RegistryReader reads all textual information in the "HKEY_CURRENT_USER" and "HKEY_LOCAL_MACHINE" keys, where user-level software applications put their set-up information. Check out what your favourite application writes ΓÇô often in the neighbourhood of "HKEY_CURRENT_USER\Software" or "HKEY_LOCAL_MACHINE\Software". Notice that some applications use the convention just to create a key with no value.
You can check if a key exists by entering a blank value name. The answer is a string (EMPTY in case the key has no default value) if it exists and an error message if the key is not found.
Registry key names are tediously long, but in the field below you can try them out ΓÇô and you can launch RegEdit.