Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.

Windows 中的锁屏界面充当启动设备或将其从睡眠状态唤醒时遇到的初始界面。 它要求生物识别手势、PIN 或密码才能访问桌面，从而提供一层安全保护。 除了安全功能外，锁屏界面还具 …

Oct 14, 2025 · Color filters change the color palette on the screen to help users distinguish between things that differ only by color To learn more, see Change color contrast in Windows …

Here's how. Change your user account picture In the Settings app on your Windows device, select Accounts > Your info or use the following shortcut: Your info Under Adjust your photo, …

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Oct 14, 2025 · To change color mode: In the Settings app on your Windows device, select Personalization > Colors or use the following shortcut: Colors Under Choose your mode, you …

322756 How to back up and restore the registry in Windows This step-by-step article describes how to change the default logon screen saver. When you start Windows, a Begin Logon dialog …

Discover the step-by-step process to change or reset your Windows password if you've lost or forgotten it. This guide will help you regain access to your Windows account quickly and securely.

This article describes the sign in, sign out, lock, and switch user account actions in Windows. Expand the following sections to learn more.

PIN (Windows Hello) Use these settings to configure the sign in with a PIN, instead of a password. In this section you can also change your PIN or remove it.