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HKEY_LOCAL_MACHINE

Overview#

HKEY_LOCAL_MACHINE is one of several registry hives that make up the Windows registry.

HKEY_LOCAL_MACHINE Windows registry hive contains the majority of the configuration information for the software you have installed, as well as for the Microsoft Windows Operating System.

HKEY_LOCAL_MACHINE hive also contains lots of valuable and Sensitive Data about currently detected hardware and device drivers.

Windows registry Subkeys in HKEY_LOCAL_MACHINE#

The keys located under HKEY_LOCAL_MACHINE on your computer may differ somewhat depending on your version of Microsoft Windows and your specific computer configuration.
For example, newer versions of Microsoft Windows do not include the HKEY_LOCAL_MACHINE\COMPONENTS key.

The following registry keys are located under the HKEY_LOCAL_MACHINE hive:

  • HKEY_LOCAL_MACHINE\BCD00000000
  • HKEY_LOCAL_MACHINE\COMPONENTS
  • HKEY_LOCAL_MACHINE\DRIVERS
  • HKEY_LOCAL_MACHINE\HARDWARE
  • HKEY_LOCAL_MACHINE\SAM
  • HKEY_LOCAL_MACHINE\Schema
  • HKEY_LOCAL_MACHINE\SECURITY
  • HKEY_LOCAL_MACHINE\SOFTWARE
  • HKEY_LOCAL_MACHINE\SYSTEM

Hidden Subkeys in HKEY_LOCAL_MACHINE#

In most configurations, the following subkeys are hidden keys, and therefore can't be browsed like the other keys under the HKLM registry hive:
  • HKEY_LOCAL_MACHINE\SAM
  • HKEY_LOCAL_MACHINE\SECURITY
Most of the time these keys appear blank when you open them and/or contain subkeys that are blank.

More Information#

There might be more information for this subject on one of the following: