How To Update Macos High Sierra 10.13.6 To 10.15

Click and enter your Mac’s administrator password when prompted. 3. Complete the Installation Process Your Mac will restart to begin the actual installation.

The most important detail to know about macOS Catalina is that . It is the first version of macOS to exclusively support 64-bit software. If you rely on older versions of Microsoft Office (like Office 2011), Adobe Creative Suite (CS6 or older), or legacy games, they will completely stop working after this update. How to Find Your 32-Bit Apps on High Sierra: Click the Apple icon () > About This Mac . Click the System Report... button.

Ensure you have at least 15GB to 20GB of free storage space on your startup drive. Go to Apple icon () > About This Mac > Storage to verify your available space. how to update macos high sierra 10.13.6 to 10.15

Summary checklist (quick)

This guide assumes you’re running 10.13.6 and want to move to 10.15 (Catalina). It’s prescriptive and steps are ordered for safety and success. Click and enter your Mac’s administrator password when

In the sidebar, scroll down to the section and select Applications .

: Includes Find My (which works even if the Mac is offline) and Activation Lock for Macs with the Apple T2 Security Chip. The most important detail to know about macOS

Wait for the list to load, then click the column header to sort the apps.

Even with careful preparation, you may encounter some bumps. Here are solutions to the most common issues.

If you want, I can provide: