Using Powershell to get detail info on a computer.
Open PowerShell as administrator

Get make,model and serial number of motherboard
Get-WmiObject -Class Win32_ComputerSystem | Select-Object Manufacturer, Model, @{n='SerialNumber';e={(Get-WmiObject -Class Win32_BIOS).SerialNumber}}

Identify all drives on the computer, media type, including serial number and friendly names
Get-PhysicalDisk | Select-Object MediaType, SerialNumber, FriendlyName

Get Computer name and system type
Get-CimInstance Win32_ComputerSystem | Select-Object Name,SystemType

Get Network settings ( Ethernet or Wifi, Public or Private )
Get-NetConnectionProfile | Select Name, NetworkCategory

Show serial number of all RAM modules
Get-WmiObject -Class "Win32_PhysicalMemory" | Select-Object BankLabel,SerialNumber,Capacity,Manufacturer,PartNumber | 
    ForEach-Object {
        $_ | Add-Member -MemberType NoteProperty -Name "CapacityGB" -Value ([math]::Round($_.Capacity/1GB,2))
        $_
    } | Format-Table BankLabel, SerialNumber, CapacityGB, Manufacturer, PartNumber -AutoSize



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Get-WmiObject -Class Win32_ComputerSystem | Select-Object Manufacturer, Model, @{n='SerialNumber';e={(Get-WmiObject -Class Win32_BIOS).SerialNumber}}

Get-PhysicalDisk | Select-Object MediaType, SerialNumber, FriendlyName

Get-CimInstance Win32_ComputerSystem | Select-Object Name,SystemType

Get-WmiObject -Class "Win32_PhysicalMemory" | Select-Object BankLabel,SerialNumber,Capacity,Manufacturer,PartNumber | 
    ForEach-Object {
        $_ | Add-Member -MemberType NoteProperty -Name "CapacityGB" -Value ([math]::Round($_.Capacity/1GB,2))
        $_
    } | Format-Table BankLabel, SerialNumber, CapacityGB, Manufacturer, PartNumber -AutoSize