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Contact - Microsoft Support
Get in touch with Microsoft Support for assistance with Microsoft products and services.
如何将我的 Xbox 控制器连接到电脑? | Xbox Support
可以通过使用 USB 电缆、适用于 Windows 的 Xbox 无线适配器或蓝牙将控制器连接到 Windows 设备。 有些 Windows 设备还附带了 Xbox 无线功能,因此无需适配器即可直接连接控制器。
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
Create a PivotTable to analyze worksheet data - Microsoft Support
How to use a PivotTable in Excel to calculate, summarize, and analyze your worksheet data to see hidden patterns and trends.
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
Download Internet Explorer 11 (Offline installer) - Microsoft Support
To download the offline installer for Internet Explorer 11, choose your language and system below.
Change the refresh rate on your monitor in Windows
Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.
Mouse and keyboard problems in Windows - Microsoft Support
Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Learn how to install Office 2013 on your PC or Office for Mac 2011.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Back up your Windows PC - Microsoft Support
Find out how to back up your apps, files, photos, and preferences on your Windows PC with File History and other tools.