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Device encryption in Windows - Microsoft Support
In the search box on the taskbar, type System Information, right-click System Information in the list of results, then select Run as administrator. Or you can select the Start button, and then under Windows Administrative Tools, select System Information. At the bottom of the System Information window, find Device Encryption Support.
如何安装最新版本的 DirectX - Microsoft 支持
Windows XP 和 Windows Server 2003. 本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。.
Windows Media Player - Microsoft Support
Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.
Windows 11 and Secure Boot - Microsoft Support
Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.
How to get service or repair for Surface - Microsoft Support
How to get service or repair for Surface To get service for a personal Surface device (not a business device), you can send it in to get quality service performed by trusted experts using certified parts. You’ll be back up and creating your best work on your Surface.
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
若要手动从Windows 11 家庭版升级到Windows 11 专业版,请先检查运行的版本和激活状态:. 选择“ 开始 ”>“ 设置 ”>“ 系统 ”>“ 激活 ”。. 在“ 激活 ”页面顶部,可以看到你的版本:家庭版或专业版。. 你还将在“ 激活状态 ”下看到是否已激活。. 打开激活 ...
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用,以在给定值之间进行逻辑比较。
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 Web App, Excel for Windows Phone 10
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
Help with Microsoft Store purchases - Microsoft Support
Learn how to contact Microsoft Store support to get help for your payment and billing issue.
Applies To: Microsoft account dashboard
How to install programs from a disc on Windows 10
See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.