Improve performance and optimize your data. Identify problems and boost performance ; Optimize your data ; Remove unwanted programs ; Make OS X look and work the way you prefer -- Make the most of essential applications and features. Optimize iTunes ; Take control of Mail ; Optimize Safari and stay safe online ; Take control of Mountain Lion -- Networking, security, and troubleshooting. Secure your Mac ; Secure your network ; Share safely between your Mac and Windows PC ; Speed up booting and increase performance ; Improve security ; Troubleshoot your Mac.