Wolfram: Print Version
Print WolframEngine Version
Print[ $Version ] (* "12.2.0 for Microsoft Windows (64-bit) (December 12, 2020)" *)
Print[ $VersionNumber ] (* 12.2 *)
Print WolframScript Version
wolframscript.exe -version

Print[ $Version ] (* "12.2.0 for Microsoft Windows (64-bit) (December 12, 2020)" *)
Print[ $VersionNumber ] (* 12.2 *)
wolframscript.exe -version