Part 1: INSTALLATION Install macOS Sierra Step by Step.
https://www.flagsoft.com - Software for your macOS.
Looking for Part 2? Here it is: Part 2: SETUP • TOP 10 MUST HAVE macOS Sierra install setu...
NOTE: Siri is optional, also iCloud share Download/Documents folder on the cloud is OPTIONAL. Just SKIP the iCloud connection section. You can TURN it ON LATER if you want to.
Download will take about 4 hours depending on the speed of your internet connection.
Installation will take about 1/2 hour.
Setup will take about 1/2 hour.
Download macOS Sierra on the App Store
You can cancel installation here with cmd+q or choose File | Quit. Copy “Install macOS Sierra.app” installation file to a save place for later usage.
Basically you can install macOS Sierra on any partition / drive later on, just preserve the installation application
“Install macOS Sierra.app”.
Also you can install it on an external drive.
You can make a new partition with “Disk Utility”
60 GB is OK, but too low if you install much apps later on.
Choose your country
Choose your Keyboard
Transfer information if you want.
Location Services
iCloud (Optional) - Can be turned on later
Account
Siri
Congratulation! You installed macOS Sierra Version 10.12
BOOTING: PRESS AND HOLD ALT KEY !!!
After reboot: With the chime- sound, PRESS AND HOLD the alt or option key to choose from which drive you want to boot.
Continue with Setup.
Setup your macOS Sierra with TOP 10 Setup Tips