The following Registry Root Keys are added to the Registry Builder.
a.HKEY_CLASSES_ROOT,
b.HKEY_CURRENT_USER,
c.HKEY_LOCAL_MACHINE,
d.HKEY_USERS,
e.HKEY_CURRENT_CONFIG.
To add keys to the project under this key: manually.
1.Add the key
2.Select the key type viz REG_SZ or REG_DWORD or REG_BINARY or REG_MULT_SZ or REG_EXPAND_SZ ,select Mode of Action and Operation,enter key name and then enter or paste the key value.Now the registry key can be added in to the project by clicking the 'Add Key' button.
II Import the key from registry.
Scan the Root key by selecting it.This will enable the 'Scan' button.
The figure shown below shows that the Root key 'HKEY_CURRENT_USER' has been scanned and the key 'Software\builder\info\licence' with following details has been added to the registry builder.
key_type REG_MULTI_SZ
Mode of Action "W" (Write)
Operation "A_I" After Install.

In the picture it is seen that the said key has been scanned and the required key has been selected by clicking on the 'Key name and data'.This will add the REG_MULTI_SZ key value to the Registry Builder as shown above.
If the same data is to be added to the project it can be done so by clicking the 'Add Key Button'