Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate.

Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

如果所购买的 Office 或 Microsoft 365 随附有产品密钥，请在你的产品所对应的下列网站中输入产品密钥。 输入密钥后，便可以下载并安装 Office，或可以续订 Microsoft 365 订阅。 提示: 通过业务助手获取技术专业知识。 与我们的小型企业顾问联系，帮助使 Microsoft 365 产品适用于你和你的企业中的每个人。 了解详细信息 。 在产品密钥方面遇到问题？ Office 或 Microsoft 365 产品密钥示例： XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Microsoft 365 、 Office 2021 、 Office 2019 和Office 2016 (PC 和 Mac)

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, add Microsoft 365 to an existing Microsoft 365 subscription, or enter a product key from a new product key card. If you have an older copy of Microsoft 365, you can install that instead.

选择“ 开始 > 设置 > 时间 & 语言 > 语言 & 区域 ”。 在 “国家或地区” 下，选择新地区。 你可以随时切换回你的原始地区。 解决更改地区时出现的问题. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到 联系Microsoft 支持 ，输入问题并选择“ 获取帮助 ”。 如果仍然需要帮助，请选择“ 联系支持人员 ”以转至最佳支持选项。 发现. 如果在 Microsoft Store 中更改所在国家或地区，你在某个地区获取的内容可能无法在另一个地区使用。

了解如何解锁 Microsoft 帐户并解决“账户已锁定”错误消息。.

각 구독을 선택하여 결제 시기와 방법을 변경하거나 주문 내역 & 영수증을 확인합니다. 계정 유형을 선택합니다. 참고: 직원 Microsoft Workplace Discount Program 을 통해 구매한 일부 제품은 혜택 또는 볼륨 라이선스 버전 (조직의 IT 부서에서 관리)을 (이전의 HUP (가정 ...

Microsoft 지원에 문의하세요. 일반적인 문제에 대한 해결 방법을 찾거나 지원 담당자에게 도움을 받으세요.

Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.