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
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Microsoft account security info & verification codes
Sign in to the Advanced security options page of your Microsoft Account. Select Add a new way to sign in or verify then choose how you would like to receive security codes. Note: VOIP numbers cannot be added as a way to sign in or get verification codes. We'll send a security code to the new number or email to confirm.
Applies To:
Microsoft account dashboard
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 ...
通过 Xbox 主机获取新游戏、电影和应用 | Xbox Support
注意 主机上最近查看的列表仅适用于该特定设备上 Microsoft Store 中的最新活动。. 浏览内容后，该列表才会显示。. 要查找最近查看的列表：. 按“Xbox”按钮 打开指南，然后选择“Microsoft Store”>“列表”>“最近查看”。. 在此处，可以在特定时间集内浏览 Microsoft ...
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.
Avoid and report Microsoft technical support scams
Security. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or ...
Xbox 付款错误消息和代码 | Xbox Support
此错误代码可能表示以下情形之一：. 你的银行未授权你的支付选项（例如，你的信用卡已过期、被冻结或者已被拒绝）。. 请联系你的信用卡公司或银行，确保正在使用的支付选项已激活，具有可用资金，且交易并未因为某些原因而受到阻止。. 如果用于为 Xbox ...
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 ...
在 Xbox One 或 Xbox.com 上兑换充值码时出现错误 XBOS3004
当你尝试兑换在 Xbox One 或 Xbox.com 上购买的数字代码时收到以下错误消息之一：. 兑换其他充值码。. 你尝试兑换的充值码所针对的货币与你的帐户位置不符。. 如果你更改了你的位置，请在“设置”中更新与你的账单帐户相关联的位置。. 此充值码在你所在地区不 ...