If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

激活在新 Windows 设备上预安装的 Microsoft 365 或非订阅版本的 Office. 如果显示此屏幕，则会安装 Microsoft 365 家庭版 的试用版或 Office 的非订阅版本的试用版。 如果你登录到 Microsoft 365 或非订阅版本的 Office，该版本已预安装在新设备上，但没有与你的帐户关联的Microsoft 365 产品或非订阅版本的 Office，你将看到此屏幕。 要在新设备上使用 Microsoft 365，则可以将 Microsoft 365 激活为 Microsoft 365 家庭版 的 1 个月试用版。

Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are. Use Office for free. If you're not ready to purchase a new version of Office, you can use Office on the web.

如果你使用的是 Windows 11，并在使用 Microsoft Store 中的应用时遇到问题，请考虑这些更新和修复程序。. 首先，登录到你的 Microsoft 帐户。. 接下来，按照显示的顺序实施这些可能的解决方案。. 确保 Windows 是最新的。. 选择“ 开始 > 设置 ”> Windows 更新 > 检查更新 ...

手机连接 体验从 Windows 电脑和 手机连接 开始。. 从电脑中，你可以使用预安装在设备上的连接至 Windows 应用或可从 Google Play 或 Samsung Galaxy Store 下载的连接至 Windows 连接到选择 Android、Samsung、HONOR、OPPO、ASUS 和vivo体设备。. 可以通过 Android 设备和电脑之间的连接 ...

To use Microsoft 365 on your new device, you can activate Microsoft 365 as a 1-month trial of Microsoft 365 Family. You can also buy Microsoft 365 or a non-subscription version of Office, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped.

If you're in Windows 11 and you're having problems with an app from Microsoft Store, consider these updates and fixes. First, sign in to your Microsoft account. Next, work through these possible solutions in the order presented. Make sure Windows is up to date.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Try guided support. If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.