Understand passwords
OS X is designed to give you a safe and secure computing environment. The security of…

Reset a login password
Sometimes a user’s login password needs to be reset—for example, when the user has forgotten…

Keep your Mac up to date
Periodically, Apple releases updates to your computer’s software (which can include important security updates). If…

Install, update, and uninstall apps
Choose from thousands of apps for OS X that you can download and install on your…

Back up with Time Machine
Back up your files with Time Machine With Time Machine, you can back up your…

Protect your Mac from malware
OS X has many features that help protect your Mac and your personal information from malicious…