上QQ阅读APP看书，第一时间看更新
Installing QGIS using the OSGeo4W installer
In this section, we will focus on installing QGIS using the OSGeo4W installer. This is a convenient way to install QGIS and a host of other open source GIS tools.
QGIS 3.4 will, in February 2019, become the first LTR of QGIS 3 replacing 2.18.