You can change your lock screen on an iPhone to any photo you have saved, a shuffling series of pictures, and more using iOS 16.

You can change the lock screen on your Windows computer by customizing the background image and specifying what supplemental information it displays.

The easiest way to lock apps and files with your fingerprint is by using a third-party app. One of the most popular and trusted ones is AppLock. Grab it from the Google Play Store and set it up.

This detailed guide with screenshots covers how to change Lock Screen controls on iPhone in iOS 18 for a customized setup.

Learn how to enable a Screen Lock and Change PIN on the Signal messenger app to better protect your app and the messages in it.

Learn how to change Time format in Lock Screen in Windows 11/10. Change the clock to a 12-hour or 24-hour format using Settings or Control Panel.

Want to limit access to your system? Here's how to change file permissions on Mac and restrict their access to different users on your computer.

Setting a screen lock on your device is a huge step toward securing your data. Here's how to set a screen lock on a Pixel or other Android device.

Looking to keep your Samsung Galaxy's sensitive apps and files secret, safe, and away from prying eyes? Here's how to do that with a Secure Folder.