Excel VBA - Save a workbook as macro enabled

How can I save a workbook as macro-enabled?

Here's my vba code that I tried (save with extension "xlsm") but doesn't work...  still tries to save as non-macro enabled.

Sub M_SaveAsMacroEnabled()

Dim v_TempFilePath as String
Dim v_TempFileName as String
Dim v_FileExtStr as String
Dim v_TimeStamp as String
Dim v_ReqName as String

    v_ReqName = [RangeReqName].value
    v_Location = [RangeLocation].value
    v_DateYYMMDD = [RangeDateYYMMDD].value
    v_TimeStamp = [RangeTimeStamp].value

    v_TempFilePath = ActiveWorkbook.Path & "\"
    v_FileExtStr = ".xlsm"  '//Save as macro-enabled workbook
    
    v_TimeStamp = Format(Now, "yymmddhhmm")
    
    v_TempFileName = "FirstPartOfMyFilename - " _
        & v_ReqName & " - " _  '//Next Part of the filename
        & v_Location & " - " _  '//Yet another part
        & v_DateYYMMDD & " - " _   '//And another      
        & v_TimeStamp            '//Last part before extension

    '//Save new file//
    
    With ActiveWorkbook
        .SaveAs ThisWorkbook.Path & "\" & TempFileName & _
            v_FileExtStr
        .ChangeFileAccess xlReadOnly
        Kill .FullName
        .Close False
    End With
    
End Sub

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