Getting started with QGIS version 3.10.9 (2020 tutorial)

Quantum GIS, often referred to as QGIS, is an open source GIS desktop application, which can be installed on various system operation platforms, including Windows, Mac OS X, GNU/Linux, FreeBSD (and soon, Android!). More importantly, QGIS is free open-source software and offers numerous plugins for various functions. Since the software is open-source, there is abundant documentation submitted by web community support workers and voluntary developers. This tutorial introduces users to the basic concepts and major functions of QGIS to get them started with the software.

Getting started with QGIS version 3.10.9 (ZIP): 2020 tutorial