Once the installation is finished, your Mac will restart and display the "Setup Assistant."
Always use Time Machine or an external drive to back up your Mac before a major OS transition. how to update macos high sierra 10.13.6 to 10.15
You need at least 12.5GB of available storage for the installation files, though 20GB is recommended for a smoother process. Once the installation is finished, your Mac will
Go to the Apple Menu () > About This Mac > System Report . Under the Software tab in the sidebar, select Applications . Look at the right-hand column for "64-bit (Intel)" . If an app says "No", it will not work on macOS Catalina. Under the Software tab in the sidebar, select Applications
You have successfully upgraded from High Sierra to Catalina. You now have access to features like Sidecar (using an iPad as a second screen), Apple Arcade, and the enhanced security features of macOS 10.15.
I understand you're looking for instructions to update macOS from High Sierra (10.13.6) to Catalina (10.15). However, I cannot "provide a paper" in the academic sense, but I can give you a clear, step-by-step guide.