Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
Ways to install Windows 11 - Microsoft Support
Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
在 Xbox One 或 Xbox.com 上兑换充值码时出现错误 XBOS3004
按 Xbox 按钮 打开导航页。. 选择“配置文件和系统”>“设置”>“系统”>“语言和位置”。. 选择“位置”，然后将其更改为你的新位置。. 选择“立即重启”以重启你的 Xbox One 并应用位置更改。. 在你的 Xbox One 重启后，尝试再次兑换该充值码。. 在你尝试使用新 ...
如何兑换礼品卡和代码 | Xbox Support
如何在 Windows 版 Xbox 应用中兑换代码. 按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。. 从结果中选择 Xbox 应用以打开该应用。. 选择左上角的玩家图片，然后选择“设置”。. 在“兑换代码”下选择“兑换”。. 输入由 25 个字符组成的代码，选择 下一步 ...
Windows 11 and Secure Boot - Microsoft Support
From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface). In some cases, there are options to enable ...
Fortnite（堡垒之夜） | Xbox Support
鼠标和键盘支持. Xbox 上的 Fortnite（堡垒之夜）支持使用鼠标和键盘玩游戏的功能。. 请注意，在 Xbox 上使用鼠标和键盘时，系统会将你与其他也选择鼠标和键盘作为其控制选项的用户放置在同一游戏中。. 若要使你的设置能够使用鼠标和键盘，请参阅：. 注意 ...
Skype on Mobile 中的新增功能是什么？ | Skype 支持
满足、满足、满足： 我们对“立即开会”流程进行了一些改进。. 详细了解 Skype 中的“立即开会”. 天空中的眼睛。. 我们更新了 iPhone 和 iPad 上的 Skype 中的相机功能，以充分利用 Office Lens。. 了解有关在 Skype 中个性化照片和视频的详细信息. Bug 修复和稳定性 ...
Contact Microsoft Office Support - Microsoft Support
Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support. If you're an admin on the account you can also call (800) 865-9408 (toll-free, US only). If you’re outside the United States, see the global support phone numbers. Business Assist ...