Find someone you trust to make you a bootable Install macOS Sierra installer drive - a 8 GB USB drive works well for this.You might be able to use Internet Recovery to install the OS that came with your Mac - so you’d need to buy or have a Mac that shipped with 10.12.You might be able to take your Mac to Apple Service and have the OS loaded.If Sierra legitimately isn’t in your purchased list, and for some reason the KB above gets pulled at some point: This is a change from older releases where you had to make sure and get an installer purchased before general release. Apple officially introduced macOS Sierra to the world back in June as part of the opening keynote of this year’s Worldwide Developers Conference. If you feel it’s missing, check with Apple Store support and your “purchase” receipt emails / purchase history. Apple has just made final macOS Sierra 10.12 download available to all after months of developer and public testing, meaning that compatible Mac owners can get their hands on it right now. If for some reason that article or link are gone, you may need to have an Apple ID that previously downloaded 10.12 Sierra - then it will be in purchased and a quick download. The link to the installer on the Mac App Store is: Use the safari browser for all these links, please is you run into issues official support article on old download options Īpple makes Sierra available even after High Sierra is released.startup keys help recovery select multiple versions.These links will change annually for the expected future, so please consider using Apple articles or other answers here to locate the correct links if the ones below change or are removed. Apple now has a page up and live store links to download Sierra after High Sierra was announced.