新しい Windows 10 PC にプリインストールされている Office をライセンス認証する、または新しいプロダクト キーを使用する方法について説明します。

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks. Check for Windows updates

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.

Notes: You can either use an email address you own as a Microsoft account, or create a new address by choosing "Get a new email address" or "Use your email instead" when you sign up.

Dictation lets you use speech-to-text to author content in Microsoft 365 with a microphone and reliable internet connection. It's a quick and easy way to get your thoughts out, create drafts or outlines, and capture notes.

Manage your Xbox profile: Change your gamerpic, online status, privacy settings, and much more. Xbox Game Pass: Play over 100 high-quality PC games, including iconic Bethesda games, new day one titles, and EA Play. Microsoft Store: Games you bought from the Store are ready to install from the Xbox app. Xbox Social: Connect and chat with friends, link social media accounts, start or join a ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.

You might have tried using shape styles to change the shape of WordArt and then were puzzled that the text didn’t change. Use the text options in the WordArt Styles group instead. Shape styles and effects apply to the box and background surrounding your WordArt, not to the WordArt text.

Just upgraded to Windows 10? Please see Known issues with Office and Windows 10, which covers issues specific to that operating system.