Subscription models change software access by offering users a flexible payment structure and continuous updates. Instead of purchasing software outright, users pay a recurring fee, providing ongoing access to the latest features, support, and cloud-based services. This approach reduces initial costs and allows users to scale services according to their needs. Additionally, subscription models increase customer retention by fostering long-term relationships and ensuring steady revenue for software companies. Overall, this model aligns software development with user demand and promotes a less fragmented software ecosystem.