title: How to get free physical memory of remote computer using PowerShell
body: <p>I have this:</p>
  
  <pre><code>(Get-WMIObject Win32_logicaldisk -computername computer).TotalPhysicalMemory
  </code></pre>
  
  <p>to get size of physical memory installed on remote computer.
  How do I get the FREE memory of that computer? </p>
  
  <p>I've tried</p>
  
  <pre><code>(Get-WMIObject Win32_logicaldisk -computername computer).FreePhysicalMemory
  </code></pre>
  
  <p>and some other variants, but with no effect. Is there some list of possible "filters"?</p>