了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Открытие приложения "Камера" в Windows. Чтобы открыть веб-камеру или веб-камеру, выберите Начните, а затем выберите Все приложения ,а затем выберите Камера в списке приложений. Если у вас несколько камер, вы можете ...

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

查看保修条款，检查维修状态并了解微软设备或配件的保护计划。

Here are some tips to prepare your Excel spreadsheet for a mail merge. Make sure: Column names in your spreadsheet match the field names you want to insert in your mail merge.

As a Microsoft 365 Family subscriber, you and up to five other people get 50 GB of free mailbox storage for your Outlook.com emails, contacts and calendar items.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.