Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Find your BitLocker recovery key - Microsoft Support
Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.
Download Microsoft Authenticator | Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
使用产品激活门户激活Microsoft永久产品 - Microsoft 支持
Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起,传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户: 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验,并有助于防止欺诈。 虽然该过程已更新,但脱机激活 ...
Find your Windows product key - Microsoft Support
Learn how to find a Windows product key for activation, and when you'll use a digital license instead.
Applies To: Microsoft account dashboard
在 Windows 中管理移动设备 - Microsoft 支持
如何在电脑上管理移动设备? 现在,你可以直接从电脑链接和管理移动设备。 Android 设备和电脑之间的此链接只需几个简单的步骤即可即时访问移动设备。 若要运行此功能,需要满足以下条件: 运行Windows 11的电脑。 运行 Android 10 或更高版本的 Android 设备。 你的手机和电脑都需要连接到 Wi-Fi 网络 ...
查找 BitLocker 恢复密钥 - Microsoft 支持
摘要 当 BitLocker 无法在 Windows 中自动解锁加密驱动器时,需要 BitLocker 恢复密钥。 这是一个 48 位数字,可让你重新获得对驱动器的访问权限。
File Explorer in Windows - Microsoft Support
Find and open File Explorer in Windows, and customize Quick access by pinning and removing files and folders.
如何加密文件或文件夹 - Microsoft 支持
加密是将数据转换为代码以防止未经授权的访问的过程。 在 Windows 中,可以使用内置工具来加密文件和文件夹,确保只有具有正确解密密钥的个人才能访问内容。
Manage Mobile devices in Windows - Microsoft Support
How to manage your mobile device on your PC? Now you can link and manage your mobile devices directly from your PC. This link between your Android device and PC provides instant access to your mobile device with just a few simple steps. The following are required for this to work: A PC running Windows 11. An Android device running Android 10 or later. Your phone and PC both need to be ...