Download Photo Gallery Extension
Upload and Install the Extension
Open the Joomla Extension Manager, select Upload Package File, and upload the extension file. Upload and Install POWr Photo Gallery.
Find POWr Photo Gallery Module
In the Joomla Editor, click on Extensions and select Module Manager. Select the POWr Photo Gallery Extension.
Add to Fixed Position
Click Position and choose a location to add the Photo Gallery.
Set Status to Published. Then go to Menu Assignment to select the pages where POWr Photo Gallery appears.
Click Test to view your plugin in the page.
To edit your Photo Gallery, click Test, or visit the live web page. Find your Photo Gallery on the page, and click the Settings Icon. This will open the POWr Editor. In the POWr Editor, click Import Existing Photo Gallery, find Photo Gallery- and click Copy.