数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入产品密钥。 产品密钥是由 25 个字符组成的代码，用于激活 Windows。 产品密钥将显示为：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 确定使用哪种激活方法后，请按照相应的使用 数字许可证激活 或使用 产品密钥激活 中的步骤操作。 我使用哪种 Windows 激活方法、数字许可证或产品密钥？ 如果你关联或登录了 Microsoft 帐户，或将你的 MSA 与你的数字许可证相关联，则该 MSA 将包含数字许可证。 可在购买 Windows 11 后收到的确认电子邮件中或在可通过零售商的网站访问的数字保险箱中找到产品密钥。

Learn how to remove viruses or malware from your Windows PC. Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

In Excel, the IF function allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if that condition is True or False.

Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

必应中的 Copilot： 如果你希望保证为给定电脑关闭必应中的 Copilot，可以通过 将 www.bing.com 映射到将必应中的 Copilot 锁定为关闭的 Nochat.bing.com 或 Nochatstrict.bing.com (将聊天锁定为关闭给定电脑，并将安全搜索设置为锁定为严格) ， 遵循上述相同步骤，但在步骤 6 中 ping“nochat.bing.com”或“nochatstrict.bing ...

Look for key features of genuine Windows software, such as the Certificate of Authenticity (COA), a proof of license label, and an edge-to-edge hologram. For more information, visit the Microsoft How to Tell website.

Enhanced security in Microsoft Edge helps safeguard against memory-related vulnerabilities by disabling just-in-time (JIT) JavaScript compilation and enabling additional operating system protections for the browser. These protections include Hardware-enforced Stack Protection and Arbitrary Code Guard (ACG).

To find downloads on your PC: Under Quick access, select Downloads. Note: If necessary, go to the View tab, select Navigation pane, and ensure that Navigation pane is checked. You can also find your Downloads folder under This PC. Learn how to find where your browser is saving downloads. Was this information helpful?

이 앱은 고객이 Windows PC를 최대한 활용할 수 있도록 고객 피드백에 따라 주기적으로 업데이트됩니다. PC 상태 검사를 여는 방법. Windows에서 작업 표시줄에서 검색을 사용하여 PC 상태 검사를 검색한 다음 결과 목록에서 선택합니다. PC 상태 검사 업데이트를 사용할 수 있는 경우 최신 버전용으로 신속하게 설치할 수 있습니다. PC 상태 검사를 설치하지 않은 경우 https://aka.ms/GetPCHealthCheckApp 이동하여 앱을 다운로드하고 설치하라는 프롬프트에 따라 설치할 수 있습니다. Windows의 PC 상태 검사 앱에서 수행할 수 있는 몇 가지 작업은 다음과 같습니다.