The lock screen is often the first thing you see when you wake your Mac. By default, Apple sets a simple, system-generated background that may or may not match your style. Thankfully, macOS lets you ...

If you want to run a fancy animation in the background of your Mac, you need special tools. Backdrop 2.0 can now also do this on the lock screen. Apple has enabled pretty animated lock screens since ...

You can set a message to appear onscreen when people log into your Mac. Here's how to set it up, as well as how to remove it. The screen you see when you power on a ...