How to update to PRO version?

First of all you have to purchase the PRO plugin version.
After that you have to upload wp-accessibility-helper-pro.zip file to your server via Plugins -> Add new or via FTP client (unzip it and upload to plugins folder on your server).
If you have WP Accessibility Helper free version activated, please deactivate it and remove the plugin.
Activate WP Accessibility Helper PRO plugin
Enter your email and license key to get plugin updates ( without this step you will NOT receive any plugin updates ), more details about this step you can find here – license activation
Update plugin settings if needed (buttons labels, button icons etc)
Enjoy!