When I upgrade macOS, I prefer a clean install and usually do it during winter holidays.
Arrange laptop and external display screen
Remove junk from dock
Mouse/Touch pad scroll - Turn off natural
Touch pad 1. Secondary click -> bottom Right 2. Tap to click - On
Keyboard Settings 1. Use F1, F2, etc keys as standard function keys on external keyboards. 2. Key repeat: Fast 3. Delay until repeat: 80% mark 4. Modifier Keys 1. Caps Lock -> Control 2. Control -> Control 3. Option -> Command 4. Command -> Option
Install apps 1. Flux 2. Rectangle 3. Firefox - Login to enable Sync 4. Sublime Text 5. Sublime Merge 6. Docker for Mac 1. 4 CPU cores 2. 6 GB Memory 7. Homebrew 8. GPGSuite 9. Spotify 10. Dropbox 11. Wireguard - Sync tunnels
Development environment 1. Setup SSH 1. Create New SSH Key with passphrase 2. `ssh-keygen -t rsa -b 2048` 3. `ssh-add ~/.ssh/id_rsa`