OK, step the first is to download the thing from the MAS. Go to the Mac App Store, find the OS you want, and download. Once you have it, it will open automatically offering to install; quit the Installer.
The next step is trickier. If someone has a graphical approach, post it now; otherwise, you’ll be using the command line. Put your USB key in, and use the createinstallmedia tool. Instructions are here: http://osxdaily.com/2015/09/30/create-os-x-el-capitan-boot-install-drive/ Now, you will boot that drive, use Disk Utility to erase your internal disk, and perform the installation. But that’s for later, once you have the drive ready to go. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/d/optout.
