Summary: Learn how to determine the version of Windows PowerShell that is running on your computer.
How can I determine the version of Windows PowerShell that is running on my computer?
Use the $psversiontable automatic variable. This variable was introduced in Windows PowerShell 2.0. If the variable is unavailable, you have Windows PowerShell 1.0. Otherwise, it reports the correct version. This command and associated output is shown here.
PS C:\> $psversiontable
Name Value
---- -----
PSVersion 3.0
WSManStackVersion 3.0
SerializationVersion 1.1.0.1
CLRVersion 4.0.30319.18010
BuildVersion 6.2.9200.16384
PSCompatibleVersions {1.0, 2.0, 3.0}
PSRemotingProtocolVersion 2.2
