Installing macOS Sequoia on an external drive (Mac M) – My journey 😤!
Want to try macOS Sequoia without risking your main system? Here's how to install it cleanly on an external hard drive from an Apple Silicon MacBook (M1, M2, or M3).
✅ No need to format your current Mac
✅ Ideal for testing Sequoia's new features
✅ Compatible with SSDs, external hard drives, or fast USB flash drives
✅ Perfect for creating an external portable system
🛠 In this video, you'll learn:
Which drive to choose (SSD recommended)
How to format the external drive correctly (APFS/GUID)
Where to download macOS Sequoia
How to create a bootable installation
And most importantly… how to boot from this drive safely
📎 Recommended hardware & useful links:
An external hard drive
A USB flash drive
The Apple website for creating a bootable USB drive: https://support.apple.com/fr-fr/101578
💬 Do you have any questions? Ask them in the comments, I'll reply to everyone.
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