Tip: You can convert WMI date (format DTMF Distributed Management Task Force) to DateTime:
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$installDate = (Get-WmiObject -Class Win32_OperatingSystem).InstallDate # Solution 1 [Management.ManagementDateTimeConverter]::ToDateTime($installDate) # Solution 2 ([WMI] '').ConvertToDateTime($installDate) |
Note: Use CIM cmdlets (available since PowerShell v3) instead of WMI cmdlets, moreover CIM return a more understandable datetime format :
(Get-CimInstance -ClassName Win32_OperatingSystem).InstallDate
MSDN:
ManagementDateTimeConverter.ToDateTime Method
