Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

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

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account.

使用 Microsoft 帳戶餘額支付您帳戶上逾期未付餘額的方式如下: 在 [服務和訂閱] 頁面，尋找您逾期未付款的訂閱。. 逾期未付的金額會以紅色顯示。. 選取 [立即付款]，然後依照指示支付未付餘額。. 請留意，如果您必須更新或變更付款選項，您可以在 [付款與帳單 ...

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

什麼是 Xbox Game Pass 主機版？. 每個月只要一點點費用，您即可享受超過上百個絕佳的 Xbox 遊戲，包括專為 Xbox 360 與第一代 Xbox 打造的遊戲。. Game Pas s訂閱可在 Xbox Series X|S、Xbox One 和您的行動裝置上使用。. Xbox Game Pass Ultimate 適用於主機、行動裝置和電腦，並包含 ...

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

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 订阅付款的支付选项已过期或不再有效 ...

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