In this tutorial, we'll go over the basic steps on creating a Print Layout in QGIS 3. The Print Layout has many elements, but we'll just focus on some of the main elements.
Helpful links:
Add basemaps to a QGIS project - • QGIS tutorial - Add basemaps to a QGIS pro...
How to add Open Street Map data to your QGIS Project - • QGIS Tutorial - How to add Open Street Map...