Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).

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

在云游戏期间遇到的大多数音频和视频问题是由网络连接问题引起。 为了获得最佳云游戏体验，请确保设备和网络满足最低系统要求。 有关详细信息，请参阅 ...

Select Add a printer or scanner.. Wait for it to find nearby scanners, then choose the one you want to use and select Add device.

Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)

A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

转到 Microsoft 网站上的 Windows 7 Service Pack 1 下载页面 。 选择与 Windows 7 版本相对应的 “下载 ”链接。 选择每个下载链接并将其保存到电脑。 准备好安装 SP1 后，请运行从站点下载的.exe文件。 然后按照说明安装 SP1。 你的电脑可能在安装期间重启 ...