Traduciendo paso 9
Click on your HDD/SSHD/SSD in the sidebar menu and click erase at the top of the window.
Select Mac OS Extended (Journaled) or AFSP and name your HDD/SSHD/SSD to whatever name you would like it to have.
Once you have successfully erased your drive, click the words "disk utility" in the menubar. Click close and Disk Utility should close.