Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.

Windows サインイン オプションにアクセスして管理する方法について説明します。 パスワード、Windows Hello、またはセキュリティ キーを使用してデバイスのロックを解除します。

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

注: [アカウント] が表示されない場合、または既にファイルまたはドキュメントを開いている場合は、メニューから [ファイル] を選び、左側の一覧から [アカウント] または [サポート] を選択します。 [製品情報] の下に、Office 製品の名前と、場合によっては完全なバージョン番号が表示されます。

What is a security key? We currently support several designs and providers of security keys using the Fast Identity Online (FIDO2) passwordless authentication protocols. These keys allow you to sign in to your work or school account to access your organization's cloud-based resources when on a supported device and web browser.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

To learn more, check out the Join a Teams meeting video. Join by link. All you need to join a Teams meeting is a link. Select Join the meeting now in your meeting invite to be taken to a page where you can choose to either join on the web or download the desktop app.. If you already have the Teams app, the meeting will open there automatically.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).