Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Add an easy to maintain Table of Contents using heading styles that automatically updates when you make changes to your headings.

Use the new Outlook for Windows for coordinated Mail, Calendar and People apps on Windows 11.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.