Hikari Email & URL Obfuscator requires at least WordPress 2.8 and PHP5 to work.
You can use the built in installer and upgrader, or you can install the plugin manually.
/wp-content/pluginsfolder. Make sure the plugin has its own folder (for exemple
If you have to upgrade manually, simply delete
hikari-email-url-obfuscator folder and follow installation steps again.
If you go to plugins list page and deactivate the plugin, it's data stored in database (configs, whitelist, blacklist) will remain stored and won't be deleted.
If you want to fully uninstall the plugin and clean up database, go to its options page and use its uninstall feature. This feature deletes all stored options, restoring them to default (which can also be used if you want defaults restored back), and then gives you direct link to securely deactive the plugin so that no database data remains stored.