# Get RAM info in GB
Get-CimInstance -ClassName Win32_PhysicalMemory | select Description, @{name="Capacity";exp={$_.Capacity/1GB}}

# Show free physical memory
Get-CIMInstance Win32_OperatingSystem -Property * | Select FreePhysicalMemory

# Get Processor information
Get-CimInstance win32_processor

# Get Processor logic core
(Get-CimInstance Win32_ComputerSystem).NumberOfLogicalProcessors