Customer onboarding software is a specialized tool designed to create a smooth and successful initial experience for new users. Its primary function is to guide customers through the first crucial steps of using a product or service, ensuring they understand its core features and achieve their first "aha!" moment as quickly as possible. This is accomplished through a variety of features, such as interactive product tours, step-by-step checklists, in-app tutorials, and automated welcome email sequences. By providing a structured and educational introduction, this software helps to reduce initial friction and user frustration, which in turn significantly boosts user activation rates and long-term retention. Effective onboarding is critical for preventing early-stage churn, as it demonstrates the product's value proposition from day one and sets the foundation for a positive, long-lasting customer relationship.