The phrase "necessary changes" refers to alterations or modifications that are required, necessary or essential for a particular purpose. These could be adjustments in behavior, attitude, actions, policies, procedures, systems, structures or other aspects of life or business that need to be made in order to improve, enhance, optimize or resolve an issue, challenge or problem. The changes may involve adapting to new circumstances, adopting better practices, addressing shortcomings, correcting mistakes, updating outdated methods, innovating and evolving for progress, growth or effectiveness. In essence, "necessary changes" imply that something needs to be done differently in order to achieve a desired outcome or improve the current situation.