copy map to sd card

Ok Im sure that question have been ask multiple time answer a tons of times over and over but I cant find a proper answer

i did download few map they all come individually in different folder but all have the same name gmapsupp.img
i can slpit the gmapsupp file and use the install bat file to install in basecamp no problem all my new downloaded map

I would like to put those new map on my sd card zumo 595
i do have few other map there alreary like BRMB , Topo Can etc
how can I paste my 4 new file on my sd card ?....I guess i need to change the name of those new map right ?
I try few different way but the never show when i open the gps

any suggestion
I have few software
mapsettoolkit
gmaptool
cgpsmappe
mkgmap
maptk


thanks in advance

soso2565

This works on a Zumo 6xx... maybe it will work for you...

SD-Card:
\Garmin\gmapsupp.img
\Garmin\gmap3d.img (3D image if supported)
\Garmin\JCV\*.jcv (junction view file if supported)

\Map\[any name].img (several maps possible)