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 3^rd party tool to open your registry file. You can try MiTeC Windows Registry File Viewer. Follow these steps:

• Go to File > Open.
• Locate registry hive file of your account. It is typically located in C:\Documents and Settings\<username>\ntuser.dat.
• Locate key Software/Martin Prikryl/WinSCP 2
• Go to File > Export to REGEDIT4 format.
• Select HKEY_CURRENT_USER and check Only selected key.
• Save export to file of your choice.
• Transfer the file to target system.
• Import the registry export by opening it (double-click).