To do this, you drag points along a white, curved line that runs through the “histogram,” a graph that looks like something from trigonometry class. Usually reserved for more advanced editing software, Curves lets you adjust several parts of a photo at once, with a lot of granular control. I used it to brighten this image of arctic foxes in the snow. The most powerful new feature in the Photos app is Curves. This process could take a while, so if you’re updating a laptop, keep it plugged into a power source.įinished upgrading? Good.
Double click on the icon and follow the steps to update your computer. Once it’s finished, you’ll find the update file on your desktop or in the Launchpad.
Then just go to the Mac App Store, find macOS High Sierra, and start the download. If you don’t have that available, you may need to move some files off your computer or uninstall apps. Next, you’ll need about 5 GB of free space in storage for the upgrade. There are three ways to create a backup for your Apple computer: You can back your files up to another storage device (i.e., an external drive), upload your stuff to iCloud, or use Apple’s Time Machine app to create a disk image. This isn’t strictly necessary to have the upgrade work, but it’s great insurance against mishaps. First, any time you upgrade to a new operating system, it’s smart to first create a backup of your files. If you’re about to upgrade to macOS High Sierra, here’s some basic advice.
