When you get any Apple device, whether it’s a Mac, iPad, or iPhone, you’re asked to create an iCloud account, which grants you 5 GB of cloud space for free. Not much, but there are also ways buy more iCloud storage.
The most basic and effective way to protect your personal data is to have a MacBook lock screen password to greet you every time you wake your Mac. This password should ideally be unique, not used as your Apple ID or any other apps, and kept to yourself.
If you’ve been a PC user before switching to Mac, you know what a truly seamless experience updating macOS is compared to Windows. For a while, you’d just download a new version from the Mac App Store. Now, you don’t even need to do that — updates automatically appear as a notification on your Mac.