Get-ComputerSystemInfo CmdLet is part of Common module and if you have downloaded the source code it can be found in the folder …\ Documents\WindowsPowerShell\Modules\03common Source code for Get-ComputerSystemInfo CmdLet can be downloaded from this zip file so please feel free to download it and it would be easier for you to follow me along. This project is the library of different CmdLets that can help us IT personal to do our everyday tasks more efficiently and accurately. Get-ComputerSystemInfo CmdLet collects Computer System Information for the list of servers and this CmdLet belongs to Efficiency Booster PowerShell Project. How To List CIM Or WMI Class All Properties And Their Datatypes With PowerShell AND How To Write Select Statement For All Properties Of CIM Or WMI Class With PowerShell. First list all the properties and datatypes of WMI or CIM classes and the second one makes the select statements with all the properties for the WMI or CIM class. INFO: I have written two PowerShell Add-on functions ( Get-CIMClassProperty and Select-CIMClassAllProperties) that help us working with WMI and CIM classes.