To install macOS, you need to download the macOS Big Sur file from the Apple Store. Given its large size, make sure you have a stable internet connection, sufficient storage space, and patience during ...

Instructions on how to install Apple Computer Inc.’s Mac OS X operating system on any PC with a chip from Intel Corp. or Advanced Micro Devices Inc. were posted to the Internet this week, and they ...

It's easy to make boot disks on old Macs for older hardware, but as the years have gone on, it's gotten a little more difficult. Here's how to make classic Mac OS 9 and early Mac OS X boot media on ...

You can download old versions of macOS from the Mac App Store or as direct downloads from Apple's website. Create a bootable ...

If you receive an error message indicating that your Mac's firmware is out-of-date, and hence cannot accept installation of Mac OS X from a CD/DVD -- specifically ...