SmartPLS is a popular software tool used for partial least squares (PLS) structural equation modeling (SEM) and other statistical analyses. The latest version, SmartPLS 4, offers enhanced features, improved performance, and a more user-friendly interface. To utilize the full potential of SmartPLS 4, users need to obtain a license key and install it on their computer. This paper provides a comprehensive guide on how to acquire and install a SmartPLS 4 license key.