How to Permanently erase all files on a Mac
In this tutorial, we learn how to permanently delete files on a Mac. First, go to the trash can that is on your desktop, then click that you want to empty the trash can out. Next, the trash can will open a new window that will show you a status bar of how far in the deletion it is. If you have a lot of things on your computer, then it will take a long time to get everything fully deleted. This will free up space on your Mac, so you can download new things and your computer will be a lot faster.