Why is software testing important?

Software systems tend to run noncritical applications, so testing is important to ensure high$-$quality products.

Testing has to be done by the development team, so you need to have an effective way of doing testing.

Software systems can be complex, and creative techniques can be used to test the application thoroughly.

Requirements tend to change frequently, so you need to have a dedicated testing team that will ensure a high$-$quality product.