From the QGIS Plugin Manager

To install the plugin, you use QGIS Plugin Manager.

  1. Go to the Plugin menu and choose Manage and Install Plugins...
  2. Search for QGIS Resource Sharing in the search box of the dialog in the All tab
  3. Select the QGIS Resource Sharing plugin and click Install

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From the repository

If you are adventurous and would like to get the latest code of the plugin, you can install it directly from the repository. The repository is on Github - here. There are 2 ways to get the plugin:

  • Download the zip from github: ZIP Master, extract the zip, and copy the extracted root directory into your local QGIS plugin directory (for QGIS3 on Linux: ~/.local/share/QGIS/QGIS3/profiles/default/python/plugins, on Windows: C:\Users\{username}\AppData\Roaming\QGIS\QGIS3\profiles\default\\python\plugins)

  • Use git to clone the repository in your plugin directory, or clone it somewhere else and add a symbolic link to it in your plugin directory.

Locating and starting the plugin in the QGIS GUI

The plugin has its own toolbar (Resource Sharing, with only one action). You can enable / disable the toolbar in View-> Toolbars, and move it (drag and drop) to a convenient location in the GUI. The plugin can also be started from the Web menu (Web-> Resource Sharing) and a submenu of the Plugins menu (Plugins-> Resource Sharing -> Resource Sharing).