Windows 8已终止支持，这意味着Windows 8设备不再接收重要的安全更新。. 我们建议免费升级到 Windows 8.1，以继续接收安全更新和支持。. 升级你的 Windows 8 或 Windows RT PC 至 Windows 8.1 或 Windows RT 8.1 ，还将为你带来个性化、搜索、应用、Windows 应用商店和云连接方面的 ...

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

If your accounts are supported in the new Outlook for Windows, you'll see a toggle in the upper right of classic Outlook to Try the new Outlook . Selecting this toggle will download the new app and let you switch to the preview. The new Outlook for Windows will launch into the account you have set as your default send account in Outlook.

If that doesn't work, or your camera is built in on your device, try this: Select Start , type device manager, then select it from the search results. Find your camera under Cameras, Imaging devices , or Sound, video and game controllers. If you can't find your camera, select the Action menu, then select Scan for hardware changes.

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

To see self-help answers, or to get support via email, Select Help from the top menu then Help. Open the Help pane. Enter your question or issue in the Search Help box on the right, and then press Return. If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need ...

Install and use a scanner in Windows 10. Windows 10. When you connect a scanner to your device or add a new scanner to your home network, you can usually start scanning pictures and documents right away. If your scanner doesn't automatically install, here's some help to get things working. Select one of the following sections, or select Show all.

手机连接 需要满足以下条件：. 运行 Windows 10 (带有 2019 年 5 月更新或更高版本) 或 Windows 11 的电脑。. 运行 Android 8.0 或更高版本的 Android 设备。. 你的手机和电脑都需要连接到同一 Wi-Fi 网络。. 注意: 选择支持的 Samsung 平板电脑，请转到 此处 了解载入步骤 ...

长按（或右键单击）应用，然后选择“卸载”。. 在“设置”中卸载. 选择 “开始 > ”设置 > 应用 > 应用&功能 。. 找到要删除的应用，选择 “更多 > 卸载 ”。. 注意: 目前无法从“设置”应用中卸载某些应用。. 有关卸载这些应用的帮助，请按照说明从控制面板 ...

Use the XLOOKUP function to find things in a table or range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term and return a result from the same row in another column, regardless of which side the return column is on.