Perform one last Time Machine backup before the upgrade.Boot into Yosemite Recovery (⌘-R) and run Disk Utility First Aid on your startup drive.Subscription for continued realtime features is purely optional.
The only full upgrade installers are in the Mac App Store, and here is the link to How to upgrade to macOS High Sierra.īefore you leap from Yosemite, check the specific printer/scanner vendor driver sites to verify if either have High Sierra driver support. Tal como ha anunciado Tim Cook, OS X Yosemite ya se puede descargar desde la Mac App Store de forma totalmente gratuita Esta versin de OS X incluye numerosas mejoras y cambios, como su diseo, el nuevo centro de notificaciones, Spotlight, iClodu Drive, Continuidad, mejoras en Mail y Safari, etc.
Anything from Apple's download servers is an update, and not a full installer for that version of the operating system.