# V7 Migration

> FullCalendar v7 documentation. Web version: https://fullcalendar.io/docs/v7

Use these guides to upgrade an existing FullCalendar v6 installation to v7.

## Articles

- [Changelog](https://fullcalendar.io/docs/upgrading-from-v6.md) - Upgrade from v6 to v7.
- [JavaScript API Migration](https://fullcalendar.io/docs/upgrading-from-v6-js.md) - This document will help you migrate from v6 of the API to v7.
- [Custom CSS Migration](https://fullcalendar.io/docs/upgrading-from-v6-css.md) - Move CSS that targets FullCalendar's built-in fc-* class names to v7's settings.

## See Also

- [Render Hook Index](https://fullcalendar.io/docs/render-hook-index.md) - A quick index of render-hook articles, and the hooks each one exposes.