Highlight the startup disk and hit Erase tab. Want to forget about lags and freezes on your Mac Use MacCleanerPro simple but smart Mac OS application cleaner.
Select Disk Utility on the Mac OS X Utilities screen and click Continue. As the machine is restarting, press Command + R. Click on the Apple icon in the top left part of the desktop and select Restart from the drop-down. How do I uninstall Mac OS X? Uninstall OS X El Capitan manually. Alternatively, you can also Drag n Drop that program to Trash.
How to completely uninstall software under Mac OS X ? Click on it, and confirm your action for deleting the app. The application serves up a perfect mix of maintenance tools and tweaks, all. It is a powerful digital toolset that helps hundreds of thousands of Mac users around the world get the most out of their computers every day.
Click and hold on it till the icon starts jiggling. Download and install Mac OS X 10.6.8 Update Combo v1.1.