了解如何安装 Windows 7 Service Pack 1 (SP1)。 包含有关如何获取下载、要求和其他内容的信息。 备份重要文件 在安装更新之前，最好将重要的文件、照片和视频备份到外部硬盘、U 盘或云端。

Turn your PC off completely. To shut down, select Start and then select Power > Shut down.. Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off.

将 Xbox 无线适配器插入电脑。通过按 Xbox 按钮 打开控制器。 打开控制器时，Xbox 按钮 将开始闪烁。长按 Xbox 无线适配器上的“配对”按钮 。会有一个小灯闪烁几秒钟。长按控制器顶部的的“配对”按钮 （凸起按钮）。 控制器上的 Xbox 按钮 将加速闪烁 - 这意味着控制器正在搜索 Xbox 无线适配器。

Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

了解如何访问和管理 Windows 登录选项。 使用密码、Windows Hello或安全密钥解锁设备。 你的生物识别数据将保留在你的设备上，直到你将其删除。 但是，在长时间Windows Hello处于非活动状态后，系统会提示确认是否要继续存储生物识别数据。

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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。

Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.