获取 Windows Media Player - Microsoft 支持
Windows Media Player 适用于基于 Windows 的设备。 使用此表查找适用于你的系统的 Player 版本。 （如果你使用的是 Mac，则可以下载适用于 QuickTime 的 Windows Media 组件来播放 Windows Media 文件。） 我正在运行 Windows 的哪个版本？
Using IF with AND, OR, and NOT functions in Excel
Examples. Following are examples of some common nested IF(AND()), IF(OR()) and IF(NOT()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
安装 Microsoft Defender - Microsoft 支持
Microsoft Defender是一种新的安全应用，可帮助跨所有设备保护你和你的家人;Windows、Android、Mac 和 iOS。 当你首次在 Android 上登录到Microsoft Defender 时，我们将引导你完成几个从设置 Web 保护开始的简单步骤。在此过程中，我们将要求你授予 ...
适用于:
Android 上的 Microsoft Defender, iOS 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
在 Microsoft Edge 中以 InPrivate 模式进行浏览 - Microsoft 支持
在进行 InPrivate 浏览时是否更安全？ InPrivate 浏览模式不会针对恶意网站提供更好的防护，也不会提供额外的广告阻止功能。 在 InPrivate 浏览会话期间，网站仍可以为你个性化设置内容，因为在你关闭所有 InPrivate 窗口之前，Cookie 和其他站点权限不会删除。
适用于:
Microsoft 帐户仪表板
Troubleshoot problems with Microsoft Authenticator
Open the app, go to the app’s top-level menu, and then select Send feedback. After that, contact Support or go to the Microsoft Authenticator app forum and explain the problem you're seeing and the steps you tried. If you tried all of these steps and are still having issues, we recommend sending your log files for diagnostics.
Activate Windows - Microsoft Support
Start by trying the activation troubleshooter in the Get Help app. Get Help can guide you through the correct steps to fix most activation issues. Open Get Help. Checking your Windows activation status. You'll first want to find out if your Windows 11 is activated and linked to your Microsoft account.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。
共享 OneDrive 文件和文件夹 - Microsoft 支持
注意: 如果已和他人共享所选文件或文件夹，则底部存在一个“共享对象”列表。每个图像是个人的个人资料照片，或者是已共享文件的组的首字母缩写。 如果要编辑个人或组的访问级别，请选择照片或组的首字母缩写以打开“管理访问”。 如果所选文件或文件夹当前未与某人共享，则不会有“与 ...
适用于:
OneDrive for Business, SharePoint Server 订阅版, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 企业版, Microsoft 365 中的 SharePoint, Office 商业版, Microsoft 365 管理员, OneDrive (工作或学校), Office.com, OneDrive (家庭或个人), Microsoft 365 小型企业版中的 SharePoint
Fix Ethernet connection problems in Windows - Microsoft Support
On your home router. Try these things first to help you fix or narrow down the connection problem. Check the Ethernet cable and connection.Make sure the Ethernet cable is securely plugged into the Ethernet port on both your router and Windows 11 PC.
How to use Remote Desktop - Microsoft Support
Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.