Short answer: Review storage categories and large personal files before removing data.
Try these steps
- Open System Settings and review General, then Storage on current macOS versions.
- Review large documents, downloads and unused apps. Back up files you want to keep.
- Remove only items you understand and review Trash before emptying it.
When to ask for help
Avoid manually deleting Library or system folders. Cloud synchronization can also delete files on other devices.
Learn more
Learn more: read this article — Apple: Free up storage space on Mac. Menu names and available features can vary by device, software version and account type.
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