Quform
Each form in the theme is configurable through the Quform plugin. To edit your existing forms, go to Quform → Forms on the WordPress menu. Hover the form you want to edit and click Edit. Help for the Quform plugin is available at the Quform help section.
Choose your Quform theme
Go to: WordPress Menu → Quform → Form Builder → Settings → Style → Themes → React
Match Quform theme
React theme is now compatible with 5 different Quform themes. This means other forms such as WooCommerce checkout and the WP search will have the same Quform theme styles. Select your preferred Quform theme to use in Theme Options → Components → More → Forms → Match form styles to Quform
Use React theme colors
You can choose if you want your forms to inherit your React color scheme or modify them using Quform in Theme Options → Components → More → Forms → Use React colors for Quform
Importing forms
React comes with forms templates ready for you to use, you will need to import them first. See the page Setting up the contact & register forms for how to do this.
You can find more form import templates at https://www.quform.com/examples