27-inch iMac with 5K display - 2019 - SetUp Manual Guide

How to setup iMac the basics: from how to turn it on, plug into electricity, how to sync mouse & keyboard - to how to import everything from old Mac to new Mac. 27-inch iMac with Retina 5K display - Hardware: 3.7GHz 6-core 9th-generation Intel Core i5 processor, Turbo Boost up to 4.6GHz
8GB 2666MHz DDR4 memory
3TB Fusion Drive storage
Radeon Pro 580X with 8GB of GDDR5 memory
Magic Mouse 2
Magic Keyboard - US English
Accessory Kit
Software:
Pages, Numbers, Keynote
Photos, iMovie, GarageBand
macOS

Which is this option from the Apple store:
3.7GHz 6-Core Processor with Turbo Boost up to 4.6GHz
2TB Storage
Retina 5K Display
3.7GHz 6-core 9th-generation Intel Core i5 processor
Turbo Boost up to 4.6GHz
8GB 2666MHz DDR4 memory, configurable up to 64GB
2TB Fusion Drive1
Radeon Pro 580X with 8GB of GDDR5 memory
Two Thunderbolt 3 ports
Retina 5K 5120x2880 P3 display