Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

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 manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到 ...

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.