Find the installed PowerShell version
The Problem
How can I find out which version of PowerShell is installed on my system?
The Solution
We can discover which version of PowerShell is installed by viewing the contents of the built-in PowerShell variable $PSVersionTable.PSVersion. Do so by running the following PowerShell command:
PS C:\> $PSVersionTable.PSVersion
Major Minor Build Revision
-- -- -- --
5 1 22621 2506
This variable was introduced in PowerShell version 2.0, so if it does not exist, the current version of PowerShell must be 1.0.
Other variables, such as $Host.Version (or (Get-Host).Version) will return the version of the PowerShell host application, or GUI, rather than PowerShell itself.
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