PowerShell: información del equipo de un vistazo

Get-ComputerInfo -Property CsName, WindowsProductName, OsVersion, CsManufacturer, CsModel, CsTotalPhysicalMemory
(Get-CimInstance Win32_BIOS).SerialNumber
Get-PhysicalDisk | Select-Object FriendlyName, MediaType, HealthStatus, @{n='GB';e={[math]::Round($_.Size/1GB)}}
Get-Volume | Where-Object DriveLetter | Select-Object DriveLetter, @{n='Libre GB';e={[math]::Round($_.SizeRemaining/1GB,1)}}, @{n='Total GB';e={[math]::Round($_.Size/1GB,1)}}

Programas instalados:

Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*, HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\* |
  Where-Object DisplayName | Select-Object DisplayName, DisplayVersion | Sort-Object DisplayName