SMARTy Pay plugin installation

From the Github repository, download a zip file with the latest release from the Releases section.
From your WordPress administration panel, go to Plugins → Add New and click the Upload Plugin button at the top of the page.
Alternatively, you can move the zip file into the wp-content/plugins folder of your website and unzip it.
You will then need to go to your WordPress administration Plugins page and activate the plugin.