Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

Important: For users in the European Economic Area (EEA), you can transfer your license to another person as permitted by applicable law, by contacting customer support.You’ll be required to verify your identity through your Microsoft account to confirm you have legitimate license rights. You’ll also need to provide an email for the person you’re transferring the license to.

If you don't have a digital license or product key. If you don't have a product key or digital license, you can purchase a Windows 11 digital license after installation finishes. Follow these steps to make a purchase: Select the Start button, then select Settings > Update & Security > Activation .

If you don't see an invoice, use the date filter and select Past 3 months, Past 6 months, or Specify date range. On the Invoice summary page are invoice details including a list of items, the price for each item, and the total cost for all items in the invoice.

If you haven't installed Office on another computer yet, follow the instructions in Install Office on your PC or Mac. Follow the steps in Activate by telephone, described above. Uninstall Office from the original computer. Read the Software License Terms to review terms on transferring Office.

Active subscriptions have been cancelled so you don’t continue to get charged. If you have Auto-recharge enabled and cancel your account without first cancelling your subscription, you will continue to be charged until your account has been permanently closed in 60 days. Learn how to disable Auto-recharge.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

与拥有手机、笔记本电脑或平板电脑的好友共享照片、视频或其他类型文件。 确保希望共享的其他设备已与你的电脑配对、已打开并且可以接收文件。了解如何配对

Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption