Installation

1. Upload wplistcal.php to the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress

Upgrade

1. DO NOT DEACTIVATE THE PREVIOUS VERSION OF THE PLUGIN! Doing so could remove all your events.
2. Upload wplistcal.php to the /wp-content/plugins/ directory or any subdirectory
3. Deactivate and then activate the plugin in the ‘Plugins’ menu in WordPress