To activate the Pro features of the Free Snipping Tool, open the application and navigate to the settings or menu options, typically represented by three dots or lines. Look for an option like “Upgrade to Pro” or “Activate Pro Features.” Click on it and follow the prompts, which usually involve entering a license key or purchasing. Once completed, the Pro features will be unlocked, offering advanced functionalities such as enhanced editing tools, cloud storage integration, and more customizable shipping options. If you encounter any issues, refer to the support section of the application or the developer’s website for assistance.