Registry Workshop is a powerful and complete Windows register editor that stands out form other utilities of its kind because it offers more security when doing the specific task.
This is because it has a "undo changes" option. It also has commands for a comfortable and quick edition, such as "copy", "cut" and "paste" passwords and entries. It also looks for and substitutes passwords and entries and it is a good option to erase entries of malicious software and programs that are initiated with the OS.
Anyway, we not that to manipulate the register may bring consequences for the functioning of the operative system, so we advice to be careful.
Limitations of the Trial version:
30 evaluation days