Search notes:

Sysinternals tool: regjump

regjump can be used in the console to open the registry at a given key with regedit.exe.

How this works is described in Opening the registry at a given key.

See also

regat.bat is a batch file that does pretty much the same thing.

Links

https://docs.microsoft.com/en-us/sysinternals/downloads/regjump