Armoured fight clubs are forming all over the world. These clubs will be able to help guide you through proper training and equipment use. What you will find most often is that these groups also house a variety of other lighter western martial arts forms in addition to steel Armoured fights.
It is usual to fight using more restricted target areas than in a real fight and with less speed and force, although some systems try to get as close to real combat as possible. Many societies try to reenact actual battles.
In Sweden there are many different "medieval markets". The largest is the one in Gotland. In Szeklerland, Transylvania are many Hun, szekler knight, early Hungarian and hussar reenactment groups and camps.