Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

デバイスで Windows 11 を実行できることの確認から、ファイルのバックアップと Windows 11 のインストールまで、Windows 11 アップグレードの準備の方法について説明します。

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.