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Your Mac must meet specific hardware requirements to run Catalina. Generally, models from are supported: MacBook : Early 2015 or newer MacBook Air : Mid 2012 or newer MacBook Pro : Mid 2012 or newer Mac mini : Late 2012 or newer iMac : Late 2012 or newer iMac Pro : 2017 Mac Pro : Late 2013 or newer Technical Requirements :
| Issue | Possible Solution | |--------|--------------------| | “This copy of the Install macOS Catalina application is damaged” | Set date back manually via terminal: date 010100002020 (then rerun installer). | | Insufficient disk space error | Free up space by deleting caches, old iOS backups, large unused apps. | | Installer hangs at “less than a minute remaining” | Wait up to 1 hour; if still stuck, restart and re-run installer from Recovery Mode. | | 32-bit app won’t open | App must be replaced with a 64-bit version or abandoned. No workaround exists. | how to update macos high sierra 10.13.6 to 10.15
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