1) Download the plugin from your Codecanyon Downloads page ( https://codecanyon.net/downloads )
2) Find the plugin CovidNineteen Elements for Elementor and click “Download” button and click “Installable WordPress file only
3) Remove the existing CovidNineteen Elements for Elementor plugin by using Plugins menu from WordPress backend
4) Then open WordPress backend Plugins > Add New and click to “Upload Plugin” button at the top.
5) Choose the downloaded zip file and press upload & activate.