Anything from Apple's download servers is an update, and not a full installer for that version of the operating system. The only full upgrade installers are in the Mac App Store, and here is the link to How to upgrade to macOS High Sierra.
From the App Store, grab the High Sierra installer. It will launch 'Install macOS High Sierra' after the download completes. Click 'Continue', accept the licensing agreement, select the install drive, then the installer will prompt for an admin password. After that, it will begin downloading to '/macOS Install Data' on the local machine. Step 2: Changing Clover Configuration and Installation of Mac OS X Add Tip Ask Question Comment Download Step 3: Post Installation Configuration of Mac OS X Sierra.
Before you leap from Yosemite, check the specific printer/scanner vendor driver sites to verify if either have High Sierra driver support. Also check with your third-party applications vendor sites that their applications remain compatible with High Sierra, and preferably, are 64-bit applications. Although the vendor sites are the last word on application support, you may find RoaringApps helpful too.
I would also recommend the following:
As with past OS X releases, MacOS Sierra is a free update via the Mac App Store. Learn if your Mac is compatible with MacOS Sierra and, if so, how to prepare it before downloading and installing. Apple recommends downloading the High Sierra OS from the Mac AppStore. It is recommended to download the High Sierra due to security and compatibility reasons. During installation, your Mac might restart many times. It will then perform some initial setup tasks in the background.
- Download and run the free Malwarebytes for Mac before any upgrade to see if any malware presently exists on your Mac, and if found, can be removed. Subscription for continued realtime features is purely optional.
- Boot into Yosemite Recovery (⌘-R) and run Disk Utility First Aid on your startup drive.
- Perform one last Time Machine backup before the upgrade.
Mac Os X 10.12
May 6, 2019 5:56 AM