Installing your plugin is not a difficult task. You just need to follow some simple steps below-

1. Go to Plugins >Add New in the WordPress Dashboard.
2. Search for the Wyvern Toolkit
3. Select the  Wyvern Toolkit plugin and install
4. Activate after installation

Or, download the plugin from here and follow the steps below.

1. Go to Plugins > Add New.
2. Click on ‘Upload Plugin’.
3. Select the downloaded zip file or drag and drop.
4. Click on ‘Install Now’.