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
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
获取有关数字代码或礼品卡的帮助 | Xbox Support
获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...
解决适用于 Windows 的 Xbox 应用问题 | Xbox Support
如果收到错误代码 0x00000001，请在 Windows 10/11 设备上重新安装游戏服务应用：. 选择任务栏上的“搜索”图标，键入“PowerShell”，右键单击“Windows PowerShell”，然后选择“以管理员身份运行”。. 在 Windows PowerShell 中，键入以下命令并按“Enter”：. get-appxpackage ...
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.
Call of Duty（使命召唤） | Xbox Support
解决游戏或应用下载缓慢的问题. 解决 Xbox 主机意外关闭问题. 与 Xbox 成就和挑战有关的问题. 解决多人游戏连接错误问题. Xbox 云游戏保存常见问题解答. 对播放光盘的问题进行故障排除. 排查 Windows 设备上的游戏、性能和稳定性问题. 查找你的游戏和附加内容.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
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 ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.