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### FAQ MacOS(German) 20.9.'25 13:06 Sat

**1. Q: Is a 20-year-old Mac too old?**
A: macOS versions that are older than
macOS 10.14 \tMojave \t18 \tSeptember 24, 2018 \t10.14.6 \tJuly 21, 2021 (e.g., Sierra..)
the installation will not start (tested on 16.9.'25).
Details: https://en.wikipedia.org/wiki/MacOS_version_history