There are two ways to install QOTD:
Via WordPress.org (recommended)
Go to Plugins → Add New in your WordPress admin, search for „Citatly – Daily Quote“, click Install Now, then Activate.
Manual upload
Download the ZIP from WordPress.org, upload the citatly-daily-quote folder to /wp-content/plugins/ via FTP or the admin uploader, then activate the plugin.
Requires WordPress 6.0+ and PHP 8.0 or higher.