for any official Apple release. You may be referring to:
: Current macOS versions like macOS 15 Sequoia and the upcoming macOS 26 Tahoe still support x86 (64-bit) alongside Apple Silicon (ARM), though support for Intel is expected to eventually sunset. The full list of all macOS versions until 2026 - Setapp mac os 86 iso extra quality
(Windows) or Disk Utility (macOS) to burn the image to a high-quality CD-R at the lowest possible speed to ensure readability by old optical drives. : Insert the disc and hold the key during startup to boot from the CD. On Modern Systems (Emulation) SheepShaver for any official Apple release