Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

Note: This local VPN sometimes confuses data usage calculations because they count the data leaving the app, but don't always recognize that the data going to another app on your local device, and seldom uses any network connection.If you want to see your actual data usage, it's always best to rely on the reports generated by your mobile carrier who are measuring the data that comes across ...

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

Learn how to recover your password for Microsoft accounts such as Outlook.com, Hotmail, Live, MSN, and OneNote.

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

在最新版本中，我们改进了性能和电池优化。 如果你看到异常的电量消耗，请尝试将应用更新到最新版本。 如果你在更新后仍遇到电池消耗问题，请向我们发送反馈。

Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it.

Note: If you didn't find an optional driver that works for your printer, you might need to download and install the driver from the printer manufacturer’s website.Go to How to install the latest driver for your printer.

注意: 在Windows中获取驱动程序更新的最佳和最安全的方法始终是通过Windows 更新。如果在Windows 更新时遇到问题，则可能会看到 Update Windows 中的任何链接是否可帮助你先解决问题。