If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

如果你没有台式电脑并且滑块未显示或不起作用，请尝试更新显示驱动程序。 在任务栏上选择"搜索"，键入"设备管理器"，然后从结果列表中选择"设备管理器"。在"设备管理器"中，选择"显示适配器"，然后选择显示适配器。长按 (或右键) 显示适配器名称，然后选择"更新驱动程序"并按照说明操作。

Instead, these Windows devices will download updates and apps from the public internet. IT administrators also see increased download traffic on their internet routes. Those of you who use the Home edition of Windows are not likely to experience this issue. MCC and DHCP Option 235 are typically used in enterprise environments.

Открытие панели управления в Windows. После нажатия кнопки "Отправить" ваш отзыв будет использован для улучшения продуктов и служб Майкрософт.

If you bought a stand-alone version of an Office app, for example Visio or Word, in most cases you install this app in the same way you install the Microsoft 365 or Office suite, by signing in to www.office.com with your Microsoft account, or work or school account and selecting Install for your stand-alone product.

An authenticator app like Microsoft Authenticator that can provide easier verification, and also allows you to sign in even if the verification device is offline. A passkey. Passkeys are secure, phish-resistant replacements for your password which means they can’t be guessed or stolen.

在“ 插入对象 ”框中，选择“ 从文件创建”，然后输入 pdf 文件位置;或选择“浏览”，找到 pdf 文件，然后选择“ 确定”。 这使得 pdf 文件成为演示文稿文件的一部分。 此方法会降低 pdf 文件的质量，但在“普通”视图中查看或编辑时，可以通过双击图像来打开完整的 pdf 文件。

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。