Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Next to Choose where to get apps, select one of the available options.To see recommendations, select Anywhere, but let me know if there's a comparable app in the Microsoft Store.. To stop seeing app recommendations, select Anywhere.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

注: 職場または学校アカウントではなく、 Outlook.com、Hotmail、Live、MSN のメール アカウントなどの Microsoft アカウントでサインインした場合は、サインアウトしてから、正しいアカウントを使用してもう一度サインインします。 サインインしているアカウントがわからない場合 Outlook ...

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

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