Europe Maps

Hi!
How can I multi European .img files put together to create an “All Europe.img” file?

Hi and welcome to OSM and the forum

This is a common question: http://lmgtfy.com/?q=garmin+merge+img+files

You can try http://osm.pleiades.uni-wuppertal.de/openfietsmap/OSM_Combiner/readme.html