Open the Powershell console and type:
$PSVersionTable
The output shows something like this:
Name Value
---- -----
PSVersion 7.3.6
PSEdition Core
GitCommitId 7.3.6
OS Microsoft Windows 10.0.22621
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0