Apple’s Greatest Hits

A bunch of handy Apple Support articles

Apple’s documentation can be patchy and sometimes hard to find, but when it’s good, it’s very good.

Here, in no particular order, are some of the best resources from Apple on myriad topics.

macOS

Take a screenshot on your Mac – Apple Support
You can capture the entire screen, a window, or just a portion of the screen.
support.apple.com
Free up storage space on your Mac – Apple Support
If you need to make more storage space available on your Mac, use its built-in tools to optimize storage space, or free up space in other ways.
support.apple.com
What to do before you sell, give away, or trade in your Mac – Apple Support
To prepare your Mac for a new owner, use these steps restore it to factory settings.
support.apple.com
Update macOS on Mac – Apple Support
Use Software Update to update or upgrade macOS, including built-in apps like Safari.
support.apple.com
How to use safe mode on your Mac – Apple Support
Safe mode can help you to determine whether an issue is caused by software that loads as your Mac starts up.
support.apple.com
If your Mac doesn’t start up all the way – Apple Support
If your Mac doesn’t start up all the way or needs you to do something during startup, it might stop at one of these screens.
support.apple.com
How to reinstall macOS – Apple Support
Use macOS Recovery to reinstall the Mac operating system.
support.apple.com
Move your content to a new Mac – Apple Support
Use Migration Assistant to copy all of your documents, apps, user accounts, and settings to a new Mac from another computer.
support.apple.com
How to get old versions of macOS – Apple Support
If your Mac isn’t compatible with the latest macOS, you might be able to upgrade to an earlier macOS, such as macOS Big Sur, Catalina, Mojave, or High Sierra.
support.apple.com
How to find saved passwords on your Mac – Apple Support
Find, change, or delete saved passwords on your Mac, and keep your passwords updated across all of your devices. 
support.apple.com
Get to know the Finder on your Mac – Apple Support
Learning about the Finder is the first step toward finding and organizing your documents, media, folders, and other files.
support.apple.com
How to reset the SMC of your Mac – Apple Support
The system management controller (SMC) controls how your Mac manages power. Resetting the SMC can resolve certain issues related to power, battery, fans, and other features.
support.apple.com
Get help with security issues – Apple Support
This page includes information about Apple product security for customers, developers, law enforcement personnel, and journalists.
support.apple.com

iOS & iPadOS

Restart your iPhone – Apple Support
Learn how to turn your iPhone off, then back on.
support.apple.com
Restart your iPad – Apple Support
Learn how to turn your iPad off, then back on.
support.apple.com
Take a screenshot on your iPhone – Apple Support
Quickly save what’s on your screen.
support.apple.com
Record the screen on your iPhone, iPad, or iPod touch – Apple Support
Learn how to create a screen recording and capture sound on your iPhone, iPad, or iPod touch.
support.apple.com
Access Control Center on your iPhone and iPod touch – Apple Support
Control Center gives you instant access to the things you do the most. You can use Control Center to quickly take a picture, turn on Wi-Fi, control your Apple TV, and more. 
support.apple.com
Access Control Center on your iPad – Apple Support
Control Center gives you instant access to the things you do most. You can use Control Center to quickly take a picture, turn on Wi-Fi, control your Apple TV, and more.
support.apple.com
Apps, settings, and features that you can use from Control Center – Apple Support
With Control Center, you can quickly access these apps, features, and settings on your iPhone, iPad, and iPod touch.
support.apple.com

iCloud, Photos, Music

How to share albums in Photos on your iPhone, iPad, and Mac – Apple Support
Shared Albums let you share photos and videos with just the people you choose — and they can add their own photos, videos, and comments.
support.apple.com
What is Family Sharing? – Apple Support
With Family Sharing, you and up to five other family members can share access to amazing Apple services like iCloud+, Apple Music, Apple TV+, Apple Fitness+, Apple News+, and Apple Arcade. Your group can also share iTunes, Apple Books, and App Store purchases, and a family photo album. You can even help locate each other’s missing devices.
support.apple.com
Manage your iCloud storage – Apple Support
Need more iCloud storage? You can easily make space or upgrade to iCloud+.
support.apple.com
About iCloud Private Relay – Apple Support
Learn how iCloud Private Relay—part of an iCloud+ subscription—helps protect your privacy when you browse the web in Safari.
support.apple.com
Update your iPhone, iPad, or iPod touch – Apple Support
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS or iPadOS.
support.apple.com
Use Continuity to connect your Mac, iPhone, iPad, iPod touch, and Apple Watch – Apple Support
When you sign in to your Apple ID on all of your devices, you can use Continuity features that make it seamless to move between your devices. Click a feature below to learn about it, such as how to automatically unlock your Mac when you’re wearing your Apple Watch or how to use your iPad to extend the workspace of your Mac.
support.apple.com
If you forgot your Apple ID password – Apple Support
If you have issues when you try to sign in with your Apple ID password, use these steps to reset it and regain access to your account.
support.apple.com
Turn on Sync Library with Apple Music – Apple Support
If you subscribe to Apple Music, you can turn on Sync Library to access your music library and music that you’ve downloaded from Apple Music on all of your devices.
support.apple.com
Identify cloud status icons in your music library on your Mac or PC – Apple Support
If you subscribe to Apple Music, you can upload your music library so you can access it on all of your devices. Learn how to check the upload status for your music library and what the different cloud icons next to your songs mean.
support.apple.com

Hardware

Don’t close your MacBook, MacBook Air, or MacBook Pro with a cover over the camera – Apple Support
Closing your Mac notebook with a camera cover on it might damage your display. Designed to protect your privacy, Mac notebooks have a camera indicator light to let you know when the camera is on.
support.apple.com
Identify your MacBook Pro model – Apple Support
Use this information to find out which MacBook Pro you have, and where it fits in the history of MacBook Pro.
support.apple.com
Identify your iMac model – Apple Support
Use this information to find out which iMac you have, and where it fits in the history of iMac.
support.apple.com
Recommended settings for Wi-Fi routers and access points – Apple Support
For the best security, performance, and reliability, we recommend these settings for Wi-Fi routers, base stations, or access points used with Apple products. 
support.apple.com

misc

Apple security updates – Apple Support
This document lists security updates for Apple software.
support.apple.com
OS X: Do not remove or modify the SyncServices folder
As if it were a swarm of bees, you should stay away from the SyncServices folder. Removing or modifying anything in the SyncServices folder – or in any subfolders within it – may cause unexpected issues. 
web.archive.org

(Featured image by Jonathan Powell, licensed under CC BY 2.0)