MacBook · 2015
MacBook (Retina, 12-inch, Early 2015)
Model identifier MacBook8,1. Newest compatible macOS: macOS Big Sur.
- Model identifier
- MacBook8,1
- Introduced
- 2015
- Newest macOS
- macOS Big Sur 11
- Family
- MacBook
Download macOS for this Mac
macOS Big Sur 11The newest macOS Apple supports on this Mac. See download options →
Older versions you can also install, if they are newer than the macOS this Mac shipped with:
- macOS Catalina 10.15
- macOS Mojave 10.14
- macOS High Sierra 10.13
- macOS Sierra 10.12
- OS X El Capitan 10.11
- OS X Yosemite 10.10
A Mac can't run a macOS older than the one it came with. macOS Recovery can reinstall the original version.
Part numbers
Also called order or configuration numbers. “xx” stands for a region code, such as LL (USA) or B (UK).
MF855xx/A MF865xx/A MJY32xx/A MJY42xx/A MK4M2xx/A MK4N2xx/A
Questions
What is the newest macOS for the MacBook (Retina, 12-inch, Early 2015)?
Apple lists macOS Big Sur as the newest compatible operating system for the MacBook (Retina, 12-inch, Early 2015).
What is the model identifier of the MacBook (Retina, 12-inch, Early 2015)?
The MacBook (Retina, 12-inch, Early 2015) uses the model identifier MacBook8,1. You can check yours in System Information › Hardware Overview.
Source: Apple – Identify your MacBook model.