Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
升级到 Windows 10:常见问题解答 - Microsoft 支持
注意: 如果想要查找有关特定错误代码的信息或遇到了产品密钥问题,请参阅获取有关 Windows 激活错误的帮助。 在这里,通过按 CTRL+F 并在搜索框中键入或粘贴错误代码或“产品密钥”,可找到有关你的代码的特定信息及解决方案。
Set up the Microsoft Authenticator app as your verification method
Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.
Use Game Mode while gaming on your Windows device
Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system
Surface Pro (第五代) 规格和功能 - Microsoft 支持
Surface Pro(第五代)和 Windows 10. Surface Pro(第五代)附带 Windows 10 专业版版本。 如果不确定自己使用的是哪种 Surface 型号,请参阅 我的 Surface 是哪种型号?. Surface Pro(第五代)图示
Find your error code | Xbox Support
Learn about errors 90-80153A00, 90-80153903, 90-80153904, and 90-80153908 and what you need to do if you see one of them while trying to download an update.
WEEKNUM 函数 - Microsoft 支持
语法. WEEKNUM(serial_number,[return_type]) WEEKNUM 函数语法具有下列参数: Serial_number 必需。代表一周中的日期。 应使用 DATE 函数输入日期,或者将日期作为其他公式或函数的结果输入。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel 2013
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
App & browser control in Windows Security - Microsoft Support
Reputation-based protection. Reputation-based protection leverages what Microsoft knows about various sites, services, and publishers, as well as threats we've seen in action to help protect you from malicious or potentially unwanted apps, files, or websites.
用于辅助功能的 Windows 键盘快捷方式 - Microsoft 支持
按此键. 执行此操作. Windows 徽标键 + 加号 (+). 打开放大镜. Windows 徽标键 + Esc. 关闭放大镜. Windows 徽标键 + 加号 (+) 或减号 (-) . 当放大镜打开时,进行放大或缩小
Menggunakan kunci produk dengan Office - Dukungan Microsoft
Jika anda melihat layar Mari mulai dengan opsi untuk mencoba, membeli, atau mengaktifkan Office, ini berarti bahwa Office diinstal di PC baru Anda sebagai uji coba 1 bulan Microsoft 365 Family. Anda tidak akan menerima kunci produk dari produsen PC kecuali telah membayar untuk kartu kunci produk Office. Sebagai gantinya, Anda bisa memulai uji coba Microsoft 365 Family, atau membeli Office.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013