新しい Microsoft アカウントを作成する方法 - Microsoft サポート
新しい Microsoft アカウントを作成して Microsoft サービスを使用する方法について説明します。
Descargar e instalar o reinstalar Microsoft 365 u Office 2021 en un ...
Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Make and receive phone calls from your PC - Microsoft Support
Leave your Android device in your pocket the next time it rings — pick up the call from your PC instead. Calling requires Bluetooth capability on both your PC and on your Android device, so make sure you have it turned on for both.
Stay protected with Windows Security - Microsoft Support
Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.
Reset or recover your lost Microsoft account password
If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.
Reset OneDrive - Microsoft Support
Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Battery saving tips for Windows - Microsoft Support
Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.
Set apps to run automatically when you start your device
You can choose which apps will start automatically when you start your device.
Check the recent sign-in activity for your Microsoft account
If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.
Applies To:
Microsoft account dashboard
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。