CurrentVersion Registry Key

The CurrentVersion registry key will provide you with the current operating system's version, service pack, and date of installation.

Analysis Value

🖥️System Enumeration

Operating System Availability

Major Version	Support	Major Version	Support
Windows 11	✅	Server 2019	✅
Windows 10	✅	Server 2016	✅
Windows 8	✅	Server 2012	✅
Windows 7	✅	Server 2008	✅
Windows Vista	✅	Server 2003	✅
Windows XP	✅

Artifact Location(s)

🔌 Offline System

• File: %SystemRoot%\System32\config\SOFTWARE

• Key: SOFTWARE\Microsoft\Windows NT\CurrentVersion

🔋 Live System

Artifact Parsers

• RegistryExplorer (Eric Zimmerman)

Artifact Interpretation

The ProductName value will provide the OS, such as Windows Server 2019.

The ReleaseId value will provide the version of the specified OS.

The InstallDate is an Epoch timestamp of when the OS was either first installed or received a major update, or was reset.

Example

PS> Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name *

SystemRoot                : C:\Windows
BaseBuildRevisionNumber   : 1
BuildBranch               : vb_release
BuildGUID                 : ffffffff-ffff-ffff-ffff-ffffffffffff
BuildLab                  : 19041.vb_release.191206-1406
BuildLabEx                : 19041.1.amd64fre.vb_release.191206-1406
CompositionEditionID      : Enterprise
CurrentBuild              : 19044
CurrentBuildNumber        : 19044
CurrentMajorVersionNumber : 10
CurrentMinorVersionNumber : 0
CurrentType               : Multiprocessor Free
CurrentVersion            : 6.3
EditionID                 : Professional
EditionSubManufacturer    :
EditionSubstring          :
EditionSubVersion         :
InstallationType          : Client
InstallDate               : 1666804042
ProductName               : Windows 10 Pro
ReleaseId                 : 2009
SoftwareType              : System
UBR                       : 3086
PathName                  : C:\Windows
ProductId                 : 00330-80000-00000-AA949
DisplayVersion            : 21H2
RegisteredOwner           : user1
RegisteredOrganization    :
InstallTime               : 133112776429018501

This example was produced on Windows 10, Version 10.0.19044 Build 19044