If you’d like to do a clean install of macOS Mojave, check out this article it’ll walk you through the entire process. When your Mac is done installing your new macOS, load this web page and continue from the next section. Now that you’ve bookmarked this page, download macOS Mojave from the App Store, follow the instructions, and then reboot your Mac. To load the page, click Bookmarks in the menu bar and select “Update your Mac OS for CleanMyMac 3 | MacPaw.”