Installation

Installation of this plugin is no different from any other plugin:

1. Download the plugin from here.
2. Extract all the files.
3. Upload everything (keeping the directory structure) to the /wp-content/plugins/ directory.
4. Deactivate plugin qTranslate, mqTranslate, qTranslate Plus, or zTranslate, if you are running any.
5. Activate qTranslate-X through the 'Plugins' configuration page in WordPress.
6. Open Settings->Languages configuration page and add/delete/disable any languages you need.
7. Add the "qTranslate Language Chooser" widget or "Language Switcher" menu item to let your visitors switch the language.
8. You may use Google XML Sitemaps v3 for qTranslate plugin to rebuild your XML sitemap for better SEO support.
9. Configure theme custom fields to be translatable if needed (Settings -> Languages: "Custom Fields").
10. Upgrading from qTranslate required no additional actions, qTranslate-X will continue to work from the database entries of qTranslate. One may also go back to qTranslate at any time. Upgrading from other qTranslate forks may require re-configuration of the languages and taxonomies names, unless you rename corresponding database entries directly.

You may also find useful this migration document.