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.
Get Windows updates as soon as they're available for your device
We're committed to delivering continuous innovation by releasing new features and enhancements into Windows 11 more frequently. Windows devices get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR). ...
DATEDIF function - Microsoft Support
Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.
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, SharePoint Foundation 2010, SharePoint Server 2010, Windows SharePoint Services 3.0
在 Windows 中通过蓝牙发送文件 - Microsoft 支持
使用 Windows 中的“设置”应用通过蓝牙发送文件。
Windows help and learning
Find help and how-to articles for Windows operating systems, including installation, updates, privacy, security and more.
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Windows camera, microphone, and privacy - Microsoft Support
Find out how to change privacy settings for your camera and microphone in Windows.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline. Unplug the network cable if you're using a wired network connection. Power off your console, and then unplug the power cord to ensure that the console is completely powered off.
Активация Windows - Служба поддержки Майкрософт
Активация Windows с помощью цифровой лицензии. Цифровые лицензии связаны с вашим оборудованием и учетной записью Майкрософт, поэтому вам не нужно ничего искать на своем компьютере.
在 Windows 中更改监视器上的刷新率 - Microsoft 支持
了解如何更改 Windows 中显示器的刷新率,以确定在屏幕上显示运动的平滑程度。
Windows 登录选项和账户保护 - Microsoft 支持
Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别,也不必这么做。