Types of Software Maintenance: Corrective, Adaptive, Perfective, Preventive (2026 Guide)
Software maintenance accounts for nearly 80 percent of a software system’s total lifecycle cost. Yet it is often misunderstood, underestimated, or treated as an afterthought. In reality, maintenance is where software delivers long term value. Understanding the different types of software maintenance is essential for: There are four main types of software maintenance: In this […]