JSI Tip 0226 - How can I determine what registry changes a new application installed?

Prior to installing your new application (or system option), open the registry using Regedt32.exe. For each Root Key that you want to compare, select it and from the Registry / Save Subtree As menu, Save as type Text Files, naming it something like HKLM.old. I would always choose the HKEY_LOCAL_MACHINE, HKEY_CURRENT_USER, and HKEY_CLASSES Keys.

After the install, repeat the above steps but use a .new extention. Use the FC command to compare the files.


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