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
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
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 ...
使用 Microsoft Rewards 赢得积分 | Xbox Support
通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...
透過 Microsoft Rewards 獲得點數 | Xbox Support
將 Microsoft Rewards 應用程式下載到您的 Xbox 主機，即可在遊戲或購物的同時，追蹤並賺取點：. 請按 [Xbox] 按鈕 以開啟快顯功能表，然後前往 [Microsoft Store]。. 選取 [搜尋]，然後在搜尋方塊中輸入 Microsoft Rewards。. 從結果中選擇 Microsoft Rewards 應用程式，然後將它 ...
Using product keys with Office - Microsoft Support
If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
如何更改 Xbox 玩家代号 | Xbox Support
选择“我的档案”>“自定义档案”，然后选择当前玩家代号。. 在“选择新玩家代号”下，在文本框中输入想要的玩家代号，然后选择“检查可用性”。. 你可能会收到一条消息，指出所需的玩家代号不可用。. 如果是这样，请重试，直到可用。. 在下一页上 ...
下载并安装Microsoft Authenticator应用 - Microsoft 支持
设置Authenticator应用. 安装Authenticator应用后，请按照以下步骤添加帐户：. 打开Authenticator应用。. 选择右上角的 (+) 。. 将相机指向 QR 代码或按照帐户设置中提供的说明操作。. 帐户显示在Authenticator应用中后，可以使用一次性代码登录。. 有关Authenticator应用的详细 ...
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 ...