On your Mac, choose Apple menu > System Settings, click Network in the sidebar, then click Firewall. (You may need to scroll ...
You can use Find My iPhone for a Mac to find your computer if it's lost or stolen. Here's how to use Find My Mac.
'What is a keychain password?': How to navigate Apple's Keychain Access app and change your password
A keychain password is the master password for your Mac's "Keychain Access" app, which stores your usernames and passwords.
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