: Using legacy software on an unsupported OS like Windows XP poses security risks. Ensure you only download installers from well-known software mirrors and avoid clicking on suspicious pop-ups. Supported platforms - Viber

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Policy and lifecycle implications for developers and users Viber’s decision to discontinue XP support reflects software lifecycle realities: maintaining compatibility with decades-old OSes imposes engineering costs, increases QA complexity, and constrains adoption of modern security and performance features. From the user side, clinging to unsupported platforms exposes individuals and organizations to escalating cybersecurity and interoperability risks. The practical advice is migration: upgrade hardware or the OS where possible, or replace the device with one capable of running supported software safely.