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重新安装 Windows - Microsoft 支持
下图提供了有关每种重新安装类型可以选择的不同选项的信息,包括应用、文件、个人数据以及重新安装所需的磁盘空间量。 使用此图表可帮助你决定使用哪个选项重新安装Windows 11。
Eingabeort für den Office-Product Key - Microsoft-Support
Wenn Ihr Kauf von Office oder Microsoft 365 mit einem Product Key verbunden war, geben Sie Ihren Product Key auf einer der Websites ein, die nachstehend für Ihr Produkt aufgeführt sind. Nachdem Sie Ihren Key eingegeben haben, können Sie Office herunterladen und installieren, oder Sie können Ihr Microsoft 365-Abonnement verlängern.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office.com
Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
Product activation for Windows – online & support telephone numbers
Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate.
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
适用于: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 家庭版, Outlook.com, GroupMe, Microsoft 帐户仪表板, Microsoft Teams, Microsoft Teams 个人版, 微软待办, OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive, Outlook for Android, Outlook for iOS
Open Device Manager - Microsoft Support
Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.
OneDrive の設定にアクセスする方法 - Microsoft サポート
OneDrive デスクトップ アプリ. OneDrive 設定にアクセスするには、タスク バーまたは通知領域の OneDrive アイコンをクリックまたはタップします。. OneDrive アイコンが表示されない場合は、OneDriveが実行されていない可能性があります。. [ スタート] をクリックし ...
适用于: OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
Logga in eller ut på Outlook.com - Microsoft Support
Prova de här lösningarna om du inte kan logga in på ditt Outlook.com-, Hotmail-, Live- eller MSN-e-postkonto, eller om du inte vet hur du loggar in eller loggar ut.
适用于: Outlook.com
Give your PC a Fresh Start - Microsoft Support
Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.
Create a recovery drive - Microsoft Support
Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.