There might be old copies of Lion, Mountain Lion, and even Snow Leopard for sale on sites like eBay. Non-developers can buy OS X Mountain Lion ($19.99) and OS X Lion ($19.99) from Apple directly. Apple will email you an unlock code, which you can redeem in the Mac App Store. If you have a valid Apple Developer account, you might be able to download older versions from /downloads.

This will put an installation app in your Applications folder, which you should leave there. You get all the improvements that Mojave users get, plus all the benefits of upgrading from High Sierra to Mojave. If you have an M1 or M2 Mac you need to press and hold the power button until the Options menu comes. 5.2 software is designed to run on Mac OS. If you have an Intel Mac hold down Command + R until the Apple logo appears. But what if youre still running macOS High Sierra Well, the news then it is even better. Some users updating to 10.15 have found their DisplayLink devices have stopped working. I can also be downloaded as an update from the Mac App Store and as an installation file. Is High Sierra better than Catalina Most coverage of macOS Catalina focuses on the improvements since Mojave, its immediate predecessor. Is macOS Sierra still available Yes, Mac OS High Sierra is still available to download. Once any of these downloads are complete, mount the. If youre running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. Leave the installation app in your Applications folder.ĭirect Disk Image Links for Older macOS Downloads

The Catalina Combo Updates are only for updating from older versions of. Once any of these downloads finishes, do not open the installer to begin the installation. Since you are upgrading from Sierra to Catalina, you need the full Catalina installer (the link I provided). Mac App Store Links for Older macOS Downloads

Update mac sierra to catalina