Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

所有 Xbox 数字代码长度均为 25 个字符，包括数字和字母，并且采用五组字符（每组包含五个字符）格式 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。. 如果你尝试在 Windows 或 Xbox 设备上兑换代码，请确保已正确输入所有 25 位数字。. 若要了解有关 Xbox 礼品卡和代码的详细信息，请 ...

Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

Copilot not only helps you create new content, but it also helps you transform your existing content into a document you can be proud of. With text already in your document, highlight the text that you would like to rewrite or transform into a table. In the left margin next to your text, select the Copilot icon.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

俱乐部是在线聚会场所，由 Xbox 社区创建，供志同道合的用户玩多人游戏和开展社交活动。 了解如何加入俱乐部，以便你可以聊天、玩游戏、共享内容以及加入其他玩家的群。

新的 Outlook for Windows 提供最新功能、Microsoft Copilot 辅助功能，以及新的现代简化设计，可帮助你连接、组织和完成工作。. 我们汇总了一个功能覆盖率矩阵，以帮助你和你的团队了解与经典 Outlook 体验中目前存在的功能相比，有哪些可用和即将推出的内容。. 注意 ...

使用语音键入来说话，而不是在电脑上键入. 通过语音键入，可以通过说话在电脑上输入文本。. 语音键入使用由 Azure 语音服务提供支持的联机语音识别。. 使用听写将语音转换为 WINDOWS 电脑上任意位置的文本。.