If you don't receive this automatically, go to Settings > Update & Security > Windows Update. Select Check for updates. Windows Update for Business. No. See the other options. Microsoft Update Catalog. No. See the other options. Windows Server Update Services (WSUS) No. See the other options.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

Get from External Data Source. Get from Data Model. Use this option if your workbook contains a Data Model, and you want to create a PivotTable from multiple tables, enhance the PivotTable with custom measures, or are working with very large datasets.. Get from Power BI. Use this option if your organization uses Power BI and you want to discover and connect to endorsed cloud datasets you have ...

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

If your PC isn’t able to find or install updates, the Windows Update troubleshooter might be able to fix the problem. Select the Start button, and then select Control Panel. In the search box, enter troubleshooter and then select Troubleshooting from the list of results.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Your printer might appear offline if it can't communicate with your PC. Try following these steps to get your printer back online. Before you begin. Start by running the printer offline troubleshooter in the Get Help app. Get Help automatically runs diagnostics and takes the correct steps to fix most printer issues. Open Get Help

若要在Windows 10中打开文件资源管理器，请选择任务栏上的图标 ，按键盘上的 Windows 徽标键 + E，或选择用户图标) 正下方的“开始 > 文档 (”。. 如果无法打开文件资源管理器，下面是一些可以尝试的方法。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.