I have been trying to figure out exactly how much storage is used up. The only thing I can offer is this. Without the utility I have 27.19MB free in storage and with it installed I have 27.04MB free. So 15K to 20K or so is all I can come up with right now. The utility gets installed in the Settings/System tab. It looks like there is a help file (HTML) that is also installed on the AX. I found it in the Windows folder using the Resco Explorer. You can delete this this if you want to save space.
Hope this helps.