Mac OS X Lion has a new feature that lets you add a custom message to your login screen. It's easy to set up, and a good way to provide contact information in the event you lose your computer. Watch ...

You can change the lock screen of your Mac by changing the desktop's background image. You can also change a Mac's lock screen image by replacing the "lockscreen.png" file in the "Desktop Pictures" ...

WhatsApp alerts you to all incoming messages from your contacts and groups using the same notification sound. Even though this sound is distinctive enough to tell you when a notification is from ...

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 ...

In iOS 13, Apple allows you to create a standardized iMessage profile that includes your name and photo – or an Animoji/Memoji – which accompanies the messages you send to friends so that they know ...