Export REGEDIT4 registry key to REGEDIT5

I have 2 desktop computers, 1 is running Windows 98 since more than 5 years and another is running Windows XP. I have a software installed on Windows 98 computer which I would like to move to Windows XP. I consulted with many IT professionals and they suggested me to just move the registry to use the same software rather than installing the software on Windows XP. So I am here to ask you how to export the registry key from Windows 98 with REGEDIT4 to Windows XP with REGEDIT5?

Under Windows 98

To export all or part of the registry to a text file:

1. Open Registry Editor (click Start, click Run, type regedit, and then click OK.).
2. On the File menu, click Export.
3. In File name, enter a name for the registry file.
4. Under Export range, do one of the following:
   
   • To back up the entire registry, click All.
   • To back up only a particular branch of the registry tree, click Selected branch and enter the name of the branch you want to export.
5. Click Save.

Under Windows XP

To import some or all of the registry

1. Open Registry Editor.
2. On the File menu, click Import Registry File.
3. Find the file you want to import, click the file to select it, then click Open.

You can even export the registry key from the command prompt as follows:

Code:

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regedit /e Filename.reg regkey

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EXAMPLE:

regedit /e mySoftware.reg "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer"