Hi bogQ, Reason to include constants.au3 in every sub-include again was to allow usage of only some of the au3Irr2 sub-includes instead of everything (as done by the main include). But at top of constants.au3 there is an "#includeOnce", so in fact constants are only included one time when compiling. Not sure what you mean - original help files ARE included (see "freeBasic wrapper docs" in au3Irr2 help file)? Hm, better handling of 64 bit was one thing on my todo for final 2.05. Amongst other things ... Problem since months: completely no time for this (too much family, too much job, too much other things). Don't know if or when it will change ... So don't know what's best for au3Irr2 - Hope for better times ... Leave it completely to others (JRowe seems to be definetly out, but maybe smashly, or ...) ... Retire as some kind of release provider (if some other continue work on sources, especially providing some more help content) ... BTW: thanks to you and those other few actives for keeping this thread alive