Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Learn how to find your Windows product key for activation or when to use a digital license instead.

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 ...

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

所有 Xbox 数字代码长度均为 25 个字符，包括数字和字母，并且采用五组字符（每组包含五个字符）格式 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。 如果你尝试在 Windows 或 Xbox 设备上兑换代码，请确保已正确输入所有 25 位数字。 详细了解 Xbox 数字代码和礼品卡，以及如何解决兑换内容的问题。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Xbox 家庭组的组织者可以启用安全设置，要求批准成员购买行为，或为其帐户充值，以及在 Microsoft Store 中进行消费。 使用以下步骤管理多个设备的资金和支出。 了解如何管理成员的资金和购买。

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.