code:

---

 CLS
 BREAK ON
 DIM $max ; vs 3.10
 $tmp=ExpandEnvironmentVars('%tmp%\')
 $srcdir=@CURDIR+'\'
 $destdir=Substr('%WINDIR%',1,3)+'Scripts\'
 $msg=JOIN(split(@KIX,'.'),'')
 IF Exist($destdir)=0
  MD $destdir
 ENDIF
 IF Len($destdir)=0
  $destdir=@lanroot
 ENDIF
 IF @inwin=1
  $max='2'
 ELSE
  $max='5'
 ENDIF
 REDIM $kixfl[$max+1]
 $kixfl[0]='kix'+$msg+'.ok'
 $kixfl[1]='kix32.exe'
 $kixfl[2]='wkix32.exe'
 $kixfl[3]='kx16.dll'
 $kixfl[4]='kx32.dll'
 $kixfl[5]='kx95.dll'
 $firstinst='yes'
 IF Exist($destdir+$kixfl[0])
  $firstinst='no'
 ELSE
  DEL $destdir+'kix*.ok'
 ENDIF
  $dfl=$destdir+$kixfl[0]
 IF SUBSTR($kixfl[0],4,3) = LEFT(JOIN(split(GETFILEVERSION('KIX32.EXE'),', '),''),3)
  EXIT(0)
 ELSE
  $rc=WriteProfileString($dfl,'KiX','KiX release',@PRODUCTTYPE+' -> kix '+@KIX)
  WHILE $i <= $max
   $srcfl=$srcdir+$kixfl[$i]
   $destfil=$destdir+$kixfl[$i]
   IF Exist($destfil)
    $rc=SetFileAttr($destfil,128) <> 0
   ENDIF
   IF Exist($srcfl)
    IF GetFileSize($srcfl) <> GetFileSize($destfil) OR
     GetFileTime($srcfl) <> GetFileTime($destfil) OR
     GetFileVersion($srcfl,'filedescription') <> GetFileVersion($destfil,'filedescription') OR
     GetFileVersion($srcfl,'fileversion') <> GetFileVersion($destfil,'fileversion') OR
     GetFileVersion($srcfl,'internalname') <> GetFileVersion($destfil,'internalname') OR
     GetFileVersion($srcfl,'language') <> GetFileVersion($destfil,'language') OR
     GetFileVersion($srcfl,'originalfilename') <> GetFileVersion($destfil,'originalfilename') OR
     GetFileVersion($srcfl,'productname') <> GetFileVersion($destfil,'productname')
     COPY $srcfl $destfil /h
     IF @error=0
      $upok='yes'
      $state='install complete at '
      $info=$state+@date+' '+@time+' '+$updinfo
     ELSE
      $upok='no'
      $state='install incomplete at '
      $info='update kix'+$message
     ENDIF
     $updinfo=$updinfo+' +'+$kixfl[$i]
    ELSE
     $updinfo=$updinfo+' ='+$kixfl[$i]
    ENDIF
   ENDIF
   $i=$i+1
   $rc=WriteProfileString($destfil,'KiX','KiX',$info)
  LOOP
  IF Exist($destdir+'kix'+$msg+'.ok')
   EXIT(1)
  ELSE
   EXIT(2)
  ENDIF
 ENDIF
  

---