just go to canon support
they have it
http://support-my.canon-asia.com/
attached is for the image
select the product
then the model name -
then the product name ID
there will list down software/drivers compatible
i believe you are looking for the driver which is second image that i attach
the versioning is depending on what OS platform you are using
some are for window 2000
some are for XP
some for vista
and some for linux