Use the Settings app in Windows to change screen orientation.

警告: Windows 11 の最小システム要件 を満たしていないデバイスに Windows 11 をインストールすることは推奨されません。 これらの要件を満たしていないデバイスに Windows 11 をインストールすると、リスクを確認して理解 したこととみなされ、次のレジストリ キーの値を作成して、TPM 2.0 (少なく ...

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.

Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...

Find out how to submit a request for a refund for a purchase of digital Xbox content.

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

Learn how to find your Windows product key for activation or when to use a digital license instead.

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电脑。 请注意，需要支持 Miracast 的设备。

Learn how to properly shut down your PC with step-by-step instructions from Microsoft Support.

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.