# :SYSTem:SOFTware:FEATures:VERSion?

Package and Licenses Commands

- :SYSTem:LKEY:SOFTware:SUPPort:EXPiration:DATE?
- :SYSTem:SOFTware:VERSion:DATE?
- :SYSTem:SOFTware:LICenses:BORRow?
- :SYSTem:SOFTware:LICenses:FEATure?
- :SYSTem:SOFTware:LICenses:INSTalled?
- :SYSTem:SOFTware:LICenses:REFResh
- :SYSTem:SOFTware:LICenses:RETurn?
- :SYSTem:SOFTware:LICenses:VERSion?
- :SYSTem:SOFTware:FEATures:ENABled?
- :SYSTem:SOFTware:FEATures:VERSion?

## Query Syntax

    :SYSTem:SOFTware:FEATures:VERSion? "<feature_string>"

Where <feature_string> is the identification string representing an enabled software feature.

## Query Response

    {1 | 0}

## Description

Returns the version date of an enabled software feature in the form of "1.000". The specified feature must be enabled for use.

Before sending this command, always confirm that the software feature is enabled using the `:SYSTem:SOFTware:FEATures:ENABled?` command.

Feature strings begin with the characters "F-". These are the same strings returned by the `*OPT?` common command. For a list of the valid feature strings, see Application Licenses and Protocol Licenses.

Be sure to enclose the parameter with quote characters. Entering an other parameter (or no parameter) results in an –224, Illegal parameter value message.

## Example Query

    :SYSTem:SOFTware:FEATures:VERSion? "F-JIT"