Important: Office 2010 is no longer supported.Find out what your options are here.If you still need to install this version, you'll need an Office 2010 installation disc and a product key for the version you're trying to install.

更新 Surface 设备和 Windows。 下载最新的驱动程序和固件更新，以使 Surface 设备保持最佳性能。 完成安装更新后，建议安装所有可用的可选更新。 若要安装可选更新，请转到任务栏中的“搜索”框，键入“查看可选更新”，然后从结果列表中选择它。如果更新在 驱动程序更新中可用，请确保已安装 ...

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。 BitLocker 是 Windows 加密技术，它通过加密驱动器并要求一个或多个身份验证因素才能解锁驱动器来保护数据免受未经授权的访问。

USB-C overview. With a USB-C connection, you can charge your Windows 11 PC, and you can also connect to other USB Type-C devices such as mobile phones, docking stations, display adapters, and other devices that have a USB-C port.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

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)

使用Windows 11让日常更轻松 需要执行很多操作时，Windows 11可帮助你完成此操作。 借助直观的导航和新的多任务处理工具，可带来所需的性能和所需的安全性。

Notes: The formatting options that appear in the Formatting tab depend on the data you have selected. If your selection contains only text, then the available options are Text, Duplicate, Unique, Equal To, and Clear.When the selection contains only numbers, or both text and numbers, then the options are Data Bars, Colors, Icon Sets, Greater, Top 10%, and Clear.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.