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 will hold the (Default) entry.
To configure a (Default) entry:
In the box displaying your key tree, click the location where you want the (Default) entry made.
Click (Default) from the drop-down box > click Add.
(Default) is displayed.
With the (Default) entry selected, select a condition for making the registry change:
Create
Delete
Enter a string in Data.