# Advanced Custom Fields PRO

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[**Advanced Custom Fields PRO**](https://www.advancedcustomfields.com/) (or **ACF**) is a powerful plugin for WordPress that allows you to customize your website with professional and intuitive fields. ACF PRO provides tools to take full control of your WordPress edit screens, custom field data, and more, making it a favorite among developers.

**Get more pro and premium plugins on [wordpress-premium.net](https://www.wordpress-premium.net/?utm_source=acf).**

## Download and Installation

[Click here to download Advanced Custom Fields PRO](https://gitlab.com/wordpress-premium/advanced-custom-fields-pro/-/archive/main/advanced-custom-fields-pro-main.zip) as a `.zip` file. Follow [SiteGround's detailed description](https://www.siteground.com/tutorials/wordpress/install-plugins/#How_to_Upload_a_WordPress_Plugin_from_a_File) to upload it via your dashboard or (S)FTP.

## Usage

> [!IMPORTANT]
>
> Upon activation, the plugin will display a message that it has not been registered. To resolve this, go to "ACF" → "Updates" and enter **any random text** into the field and press "Activate License," or use the following license code.

### License Code

```bash
83A5BB0E-2AD5-1646-90BC-7A42AE592CF5
```

This is the **fully activated premium version** of the plugin, provided by [wordpress-premium.net](https://www.wordpress-premium.net?utm_source=acf). It has been scanned for security issues and is intended **for evaluation purposes only**. To use Advanced Custom Fields PRO on a live website, please [purchase a license](https://www.advancedcustomfields.com/pro/) directly from the official website.

**Important:** Unlicensed ("nulled") usage may violate the developer's terms and will not include official updates or support.

> [!TIP]
>
> ## Donate
>
> If [WordPress Premium](https://www.wordpress-premium.net/?utm_source=acf) helps you access premium plugins safely, consider supporting us via [a donation through PayPal](https://www.paypal.com/paypalme/thaikolja) or in any of the available [cryptocurrencies](https://www.wordpress-premium.net/wallets/) to keep the service running.

## Changelog

### v6.6.2

**Release Date:** 29th October 2025

- **feat(filters):** add `convert_field_name_to_lowercase` JS filter for uppercase ACF field names
- **feat(blocks):** add `hideFieldsInSidebar` option to hide V3 Block forms from sidebar
- **feat(blocks):** add "Open Expanded Editor" button in sidebar for V3 Blocks
- **fix(metaboxes):** prevent reorder buttons from being hidden in block editor sidebar
- **fix(blocks):** display fallback message when V3 Block preview fails due to invalid HTML
- **fix(blocks):** remove loading spinner from preloaded V3 Blocks
- **fix(blocks):** save default field values in V3 Blocks without user interaction
- **fix(blocks):** prevent field disappearance on CMD/CTRL + Z in V3 Blocks
- **fix(blocks):** open V3 Block form on left side for RTL languages

---

For the full changelog, visit [Advanced Custom Fields PRO Changelog](https://www.advancedcustomfields.com/changelog/).
