QuickQuickHow to downgrade from macOS 26 Tahoe on a new Mac
AI-curated by Q²N · Updated February 27, 2026
Most new Macs can still be downgraded to earlier versions of macOS with minimal downsides. This guide provides essential information on the process, including compatibility considerations and steps to follow for a successful downgrade. Users should be aware of potential data loss and ensure they have backups before proceeding. The article emphasizes the importance of understanding the implications of downgrading, such as software compatibility and security updates. By following the outlined steps, users can revert to a previous macOS version that may better suit their needs or preferences.
- Most new Macs support downgrading to earlier macOS versions.
- Minimal downsides are associated with the downgrade process.
- Backup your data to prevent potential loss during the downgrade.
- Be aware of software compatibility with older macOS versions.
- Understand the implications of missing security updates after downgrading.
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