Welcome hero,
you look really hungry for adventures 😉 So how to get them? Good idea is to visit taverns. I believe that innkeeper know all rumors around. I can direct you to some taverns around. But one note! Pick adventures from MS-DOS realm.
DJ Old Games :: Abandonware
This taverns is fantastic and you can get here many beginners tasks. Most of them are not full and serves for testing your skills. Some – very old tasks – you can get full. If you find here something useful what is not full, but you want continue testing your strength then you can visit another  tavern :
GoG
Pick your adventures carefully. Depends on what you want to try. Here are some :