If you're new to mapping, we recommend watching the videos in the 'Beginners' section below to get set up. For a full mapathon intro, and additional videos, click the YouTube button. If you've mapped before, consider learning to validate. There are also additional tutorials available via LearnOSM.
Go to the Humanitarian OpenStreetMap Team’s Tasking Manager website to create an account. Follow the link in the email they send to confirm your account.
Go to the Task Manager to find a project and task that interests you. Learn how to lock a task to edit, select an editing program and change the background settings. Note: when your task is reviewed, you’ll get an email. Make sure to give those a read.
Buildings are one of the most useful things you can add to OpenStreetMap (and they're fun too)! Learn how to add and edit buildings to OSM through the iD editor.
Roads are also one of the most useful things you can add to OpenStreetMap! Learn how to add and edit roads to OSM through the iD editor.