In case the source system is still online, please read documentation.
In case the source system is not online anymore, but you have an access to its data, you need to use 3rd party tool to open your registry file. You can try MiTeC Windows Registry File Viewer. Follow these steps:
C:\Documents and Settings\username\ntuser.dat.
Software/Martin Prikryl/WinSCP 2
HKEY_CURRENT_USERand check Only selected key.
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