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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
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.
Applies To: Microsoft account dashboard
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 ...
Turn Windows Security on or off - Microsoft Support
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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.
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 ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
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 ...
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.
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 ...