This will query and return your PS versions
SELECT name, type, key, data, CASE WHEN data LIKE '1.%' THEN 'PS Version 1' WHEN data LIKE '2.%' THEN 'PS Version 2' WHEN data LIKE '3.%' THEN 'PS Version 3' WHEN data LIKE '4.%' THEN 'PS Version 4' WHEN data LIKE '5.0%' THEN 'PS Version 5' WHEN data LIKE '5.1%' THEN 'PS Version 5.1' WHEN data LIKE '6.%' THEN 'PS Version 6' WHEN data LIKE '7.0%' THEN 'PS Version 7' WHEN data LIKE '7.1%' THEN 'PS Version 7.1' ELSE 'PS Version'END AS PS_VersionFROM registry WHERE path LIKE 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell\3\PowerShellEngine\PowerShellVersion'