When you start regedit: each time it will restart from where it was closed. But if you close anything in the left pane, it looks like this:

Each time, windows will ask you to confirm that you want to start "in administrator mode" (something like that, Windows calls this differently)
If I consider this thing:
Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\bam\State\UserSettings\S-1-5-21-3029514950-4203302119-1443304429-1001

- If shows a path that you explore in the left pane - "Computer" is "Ordinateur" in my case, as it's in French - Each part is separated by the next using the back slash - Open each part by clicking on ">"

So this: "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services" corresponds to this:

Searching down for the "bam" entry, it looks like this:

Once a selection is done, you may export it before deleting it. If you're afraid to delete something: Right-Click is your friend.

𝒫𝒽𝓎𝓁

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