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
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
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
适用于 Xbox 的 Gold 会员专享游戏常见问题解答 | Xbox Support
在线: 可以在 Gold 会员专享游戏中兑换 Xbox Series X|S 和 Xbox One 的 Gold 会员专享游戏。. 它们将存储在帐户中，且在登录主机时可以随时下载。. 请注意，必须拥有信用卡才能“购买” Xbox.com 上的免费游戏。. 但是，如果是 Xbox Live Gold 或 Xbox Game Pass Ultimate 会员，则 ...
帮助赠送电子游戏作为礼物 | Xbox Support
你不能将游戏作为数字礼品发送. 以下是一些可能的原因：. 你已达到可发送的数字礼品数量限制。. 此策略旨在保护我们的游戏社区。. 可能需要等待 30 天才能再次尝试。. 此游戏可能无法以数字形式赠送。. 请查看产品页面。. 可作为礼品发送的数字产品包括 ...
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 ...
Change the refresh rate on your monitor in Windows
Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate , select the Dynamic option. ( Note: This option is only available on supported hardware. If you don’t see the Dynamic option, then your hardware doesn’t support DRR.) If you want to disable DRR and use a fixed refresh rate, you can select a ...
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 ...
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
在 Xbox 家长控制应用中将某人添加到你的家庭组 | Xbox Support
选择“家庭”屏幕右上角的绿色“帐户”图标，然后选择“添加儿童”>“添加现有账户”。. 输入要添加成员的电子邮件地址，然后选择“发送邀请”>“完成”。. 若要加入家庭组，受邀请者必须打开发送的电子邮件邀请，选择“立即加入”，然后按照屏幕上的 ...