PowerShell version by OS

Powershell version

I am working on automating some administrative functions and wanted to leverage Powershell coding. But, my servers come in a variety of flavors: 2008R1, 2008R2, 2012R1, and 2012R2. So, I wondered, what version of Powershell do I have available on each, and can it be upgraded? Googling, and found a reference to the original versions […]