Tried to factory reset Macbook Air 2014. How do I update from Mavericks 10.9.5 to newer versions?
4309
How can I download an older version of OS X/macOS?
68614
Is it possible to install an old version of Mac OS on a new Mac?
32267
Can you what Apple ID is now associated with my MacBook Air using its serial number?
141372
OS X El Capitan and older not available on App Store?
28172
I want to downgrade from Yosemite 10.10 to Mavericks or previous operating system
27419
User update needed after updating to Mac OS X Yosemite
1520
How to install software or upgrade from an old unsupported release?
36529
How to revert an update?
121136
How to fix "macOS needs to repair your library to run applications" after High Sierra upgrade?
153359
Wiped out OSX (Mac Air), to install Ubuntu 13.10 which doesn't boot
31948
Roll back from OS X Mavericks ( or any newer OS) to Mountain Lion
57478
"iTunes can’t verify the identity of the server ..." after a Security Update in Mavericks or upgrade to El Capitan
114492
How can I upgrade from Mac OS X Tiger 10.4?
158747
Is there a way to get the date of the first boot of an old mac?
69162
Is installing Mavericks on Hackintosh legal?
125666
What can I do besides taking in Macbook to remove firmware password?
40577
Does Big Sur brick a MacBook Air 2014?