A crucial phase in the lifecycle of software development is software testing, which ensures applications function correctly, securely, and efficiently. It involves identifying defects, verifying features, and validating performance across different environments. Testing can be manual or automated, with approaches like functional, regression, performance, and security testing. Effective software testing improves product quality, reduces risks, and enhances user satisfaction. Learning these skills at FITA Academy prepares individuals for real-world QA roles.