Got a new Mac mini sitting on your desk? Good. Before you start downloading every app you've ever heard of, let's get the foundation right. This is the checklist we wish someone handed us the first time — practical steps in the order that actually makes sense, not the order Apple's setup wizard assumes you know.
Before You Even Power It On
Unbox it somewhere with room to work, not balanced on your lap. The M4-generation Mac mini is small, but you still want space for the power cable, your monitor cable, and whatever dongles you're running. Check the box contents against what you paid for — power cable, and that's basically it these days. No HDMI cable included, so if your monitor doesn't have USB-C, dig one out now.
Place it somewhere with airflow. It's a tiny box that runs surprisingly cool, but jamming it into a closed cabinet with zero ventilation is asking for trouble down the line. A shelf or open desk spot works fine.
The Initial macOS Setup Walkthrough
When you power it on, macOS will walk you through language, Wi-Fi, and Apple ID sign-in. Here's the one decision that matters most: if you're upgrading from an older Mac, use Migration Assistant right away, either over Wi-Fi or with a cable if you have one — it's faster. This pulls over your apps, files, and settings so you're not rebuilding your whole workflow from scratch.
If this is your first Mac, or you want a clean start, skip migration and set up as new. Tempting as it is to drag over 10 years of desktop clutter, a fresh start on a new machine is a legit opportunity to actually reset your habits.
Sign into your Apple ID during setup, not after. It unlocks iCloud, the App Store, and Handoff features immediately instead of you fumbling with it later mid-task.
Lock Down Security First
Before you install a single app, go to System Settings and turn on FileVault under Privacy & Security. It encrypts your drive with basically zero performance cost on Apple silicon, and there's no good reason to skip it, even on a desktop that never leaves your house.
Set up Touch ID if your keyboard has it, or at minimum set a real password, not your dog's name. Enable Find My Mac too — a Mac mini is small and portable enough to walk off a desk in a shared office or during a move, and it's one toggle to protect yourself.
Check for macOS updates immediately. As of now the current release is macOS Sequoia, and Apple ships security patches regularly. Go to System Settings > General > Software Update and let it run before you do anything else. A fresh Mac sitting in a warehouse for a few months is often behind by a few point releases.