This is usually the first data entry for a key.
You must first use the Key registry setting option to create the path to the key that holds the (Default) entry.
To configure a (Default) entry:
In the box displaying your key tree, select the location where you want the entry made.
Select from the drop-down box, then click .
(Default) is displayed.
With the entry selected, select a condition for making the registry change:
Create Delete
Enter a string in .