How To Update Macos High Sierra 10136 To 1015 【ESSENTIAL | Tips】

Press the Power button, then immediately press and hold .

This comprehensive guide covers everything you need to know to safely transition your Mac from High Sierra to Catalina. Step 1: Verify Hardware Compatibility

Follow the developer's official uninstall instructions to remove them completely. how to update macos high sierra 10136 to 1015

Upgrading from macOS High Sierra 10.13.6 to macOS Catalina 10.15 is a direct process for supported hardware. You do not need to install macOS Mojave as an intermediate step unless your Mac model requires a firmware update typically included in Mojave. macOS - How to Upgrade - Apple (SI)

The Catalina installer needs room to work. Apple recommends , but it's wise to have 20-30 GB free to ensure a smooth process. Press the Power button, then immediately press and hold

Before attempting the upgrade, ensure your Mac hardware supports 10.15. Catalina generally supports Macs introduced in mid-2012 or later

Wait for the list to load, then look at the column labeled . Upgrading from macOS High Sierra 10

You now have macOS Catalina. However, several essential tasks remain.

Certain third-party utilities are notorious for interfering with macOS upgrades. Before you begin, check for and uninstall any:

Recommendation

Here's how to find them: