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
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
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 ...
在 Xbox 上创建家庭组的好处 | Xbox Support
Xbox 家庭组让家长或监护人为其家庭中的每个人在 Xbox 网络上感受正常的游戏体验。. 这些家庭安全设置适用于成员登录到的任何 Xbox 主机或设备。. 成人帐户称为家庭组中的组织者。. 组织者可以管理其个人帐户并管理家庭组的成员。. 儿童和青少年帐户是组织者 ...
Xbox 家长控制应用 | Xbox Support
Xbox 家长控制应用. 注意 某些功能可能在某些地区无法使用。. Xbox 家长控制应用允许组织者（成人）从其 iOS 和 Android 移动设备管理其 Xbox 家庭组成员的安全设置和在线活动。. 全部折叠.
使用 Xbox Game Pass 玩云游戏 | Xbox Support
了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上进行云游戏。
Saving credit or debit card info in Microsoft Edge
You can save your debit or credit card to your Microsoft account by choosing Save when you checkout. The saving card experience shown below varies in different regions. The option of saving your card to Microsoft account is available to you if you have turned on the below two settings in Microsoft Edge. Payment using Microsoft account on Sync ...
Applies To:
Microsoft Edge
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.
Change privacy settings in Windows - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
解决游戏或应用下载缓慢的问题 | Xbox Support
解决方案 1：检查下载速度. 滚动到“安装…”< 要下载的游戏名称 >。. 转到“我的游戏和应用”>“管理”>“队列”，并记下显示的正在安装游戏或应用的下载速度。. 这表示当前的下载速度。. 如果看到速度缓慢（例如，每秒小于 1 兆位），则可能需要很长时间 ...