What Is HKEY_LOCAL_MACHINE
HKEY_LOCAL_MACHINE, also known as HKLM, is one of theWindows Registryroot keys.
HKEY_LOCAL_MACHINE root registry tree contains many local computer tweaks and configurations.
It contains five main registry subkeys: SOFTWARE, SYSTEM, SECURITY, SAM, and HARDWARE.
It also includes the boot configuration of your Windows 10/8/7/Vista computer.
Registry Subkeys in HKEY_LOCAL_MACHINE
After you expand HKEY_LOCAL_MACHINE, you could check the registry subkeys under it.
Generally it includes the subkeys below.
But the subkeys under HKEY_LOCAL_MACHINE may be different in different computers and Windows OS versions.
Some newer computers may not have the HKEY_LOCAL_MACHINE\COMPONENTS key.
The SOFTWARE subkey may be the registry key that users access most commonly.
It stores configuration information of various programs installed on the computer.
Next time you kick off the system, its specific parameters will be automatically loaded into the computer memory.
In this way, you dont have to configure the program when you use the program each time.
The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion key contains configuration prefs of various components of your Windows computer.
The HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services key includes configuration prefs of various Windows services.
The HARWARE key contains configurations ofBIOS, hardware devices, processors, etc.
For instance, you’re free to easilycheck BIOS versionon your Windows computer.
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