# Introduction > Guides for installing Happyforms, building forms, managing submissions and coupons, connecting integrations, and troubleshooting common issues. Source: / > For the complete documentation index, see [llms.txt](/llms.txt). # Happyforms Help Center Welcome to the Happyforms documentation. Here you'll find step-by-step guides for everything from installing the plugin to accepting payments and connecting your favorite email marketing services. New to Happyforms? Start with [Install the plugin](/nailing-the-basics/install-the-plugin), then [add a new form](/getting-to-know-forms/add-a-new-form). ## Browse by topic Sign in, update your account details, and manage your payment method. Create, edit, duplicate, trash, and bulk edit your forms. Install, register, update, and configure the Happyforms plugin. Review, edit, filter, search, and clean up form submissions. Create coupons and accept them in your payment forms. Connect email marketing, payment, analytics, and automation services. Map fields, add subscribers to lists and groups, and tag contacts. Set up conditional logic, file uploads, signatures, multi-page forms, and more. Fix builder loading issues, registration errors, and email delivery problems.