Powerful Mac cleanup and optimize software would do the job and help you regain a clean and health Mac computer. So how to do these jobs? You can either choose to manually do these jobs or find related tools for finding and deleting files or uninstall unwanted programs or software or directly complete all these jobs within just one reliable tool. Uninstall useless programs or software from Mac Īll these would effectively help you optimize Mac computer and speed up macOS Sierra or other Mac OS X systems. Clean up useless web-browser plugins such as extensions, caches or cookies etc ĥ. Disable unwanted startup or login items on Mac so to speed up Mac computer Ĥ. Free up RAM on Mac memory and make full use of your Mac internal memory ģ. Find and deleted useless junk files on Mac disk Ģ. When we talk about speed up computer or optimize system performance, what comes to your mind first? Here below are some tips for you to free up Mac disk and speed up Mac computer with macOS Sierra:ġ. How to free up Mac disk, optimize and optimize macOS Sierra?