Search notes:

Registry: HKEY_LOCAL_MACHINE\SOFTWARE

The data under this key is stored in in %SystemRoot%\system32\config\SOFTWARE
The following table shows keys that might be found under HKEY_LOCAL_MACHINE\SOFTWARE. A ✓ indicates that the key was alredy found after a fresh installation of Windows 10 (among, interestingly, are company names such as Ericsson, Google, IBM, Intel)
Classes
Clients
DefaultUserEnvironment
Dolby
Ericsson AB
Fortemedia
Google
IBM
InstalledOptions
Intel
Khronos
Lenovo
Macromedia
Microsoft
MozillaPlugins
Nuance
ODBC
OEM
ORACLE
Partner
Policies
Realtek
RegisteredApplications
R-core
SRS Labs
Synaptics
Validity
VideoLAN
WOW6432Node
TODO: HKEY_LOCAL_MACHINE\SOFTWARE\_company_

See also

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft

Index