i want to upgrade my os from yosemite to high sierra? good idea? what steps do i need to take first and am i likely to lose any thing my mac if i do?
MacBook Pro with Retina display, OS X Yosemite (10.10.5)
Follow Apple's upgrade instructions, here: Upgrade to macOS High Sierra - Official Apple Support.
You might also find the following useful, which describes the practice I have observed for many years: Upgrading macOS without fear.
Follow Apple's upgrade instructions, here: Upgrade to macOS High Sierra - Official Apple Support.
You might also find the following useful, which describes the practice I have observed for many years: Upgrading macOS without fear.
1. Make a back up of all your data. Then, to be sure, make another.
2. Upgrade.
what do i need to do before upgrading from mac os yosemite to mac os high sierra?
