How To Update Macos High Sierra 10.13.6 To 10.15 !free! Jun 2026

Old network kexts from High Sierra remain. Fix: Go to System Preferences → Network → Click Wi-Fi → Advanced → Remove all saved networks → Apply → Re-add your network. For Bluetooth, delete /Library/Preferences/com.apple.Bluetooth.plist and restart.

If you’re technically inclined and just want Mojave (10.14) instead of Catalina, you can download the Mojave installer from Apple’s website and repeat the process – but Mojave supports 32-bit apps until January 2024 security cutoff (already past as of now, but still functional). how to update macos high sierra 10.13.6 to 10.15

Upgrading from to macOS Catalina 10.15 is a significant jump. This transition not only modernizes your system but also fundamentally changes how your Mac operates—most notably by ending support for 32-bit applications . Old network kexts from High Sierra remain

To update from macOS High Sierra 10.13.6 to macOS Catalina 10.15, you must first confirm your hardware is compatible. If it is, you can download the installer directly from the Mac App Store. 1. Check Hardware Compatibility If you’re technically inclined and just want Mojave (10

Once the download finishes, the installer will open automatically.