找到 Windows Server 的安裝日期

1. systeminfo | find /i "install date"
2. ([WMI]'').ConvertToDateTime((Get-WmiObject Win32_OperatingSystem).InstallDate)

參考來源：

"([WMI]'').ConvertToDateTime((Get-WmiObject Win32_OperatingSystem).InstallDate)"
- Determine a Windows Server build date with these one-liners | Servers and Storage | TechRepublic.com (在「Google 網頁註解」中檢視)