Find your Windows product key - Microsoft Support
A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11
Applies To:
Microsoft account dashboard
Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
Protect yourself from tech support scams - Microsoft Support
The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".
如何申请 Xbox 数字产品退款 | Xbox Support
注意 为了帮助我们更好地保护你的帐户，请告诉我们购买的人是你家庭中的某人还是你认识的其他人。 你可以提供有关进行此购买的人员以及购买者是在你的帐户还是他们的帐户上进行的其他详细信息。
如何兑换礼品卡和代码 | Xbox Support
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，然后按照提示操作。
保护玩家免受市场盗窃和诱骗 | Xbox Support
欺诈会影响所有人，并且大多数发布者和开发人员都有自己的一组规则来防止欺诈性购买。 Microsoft 通过保护帐户信息并确保玩家仅从受信任的零售商处购买，保护社区成员免受财务欺诈。
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
PC 版 Game Pass 常见问题解答 | Xbox Support
PC 版 Game Pass 计划让你可以在 Windows 10/11 设备上畅玩一组高质量的电脑游戏。 体验 PC 版 Game Pass 的最佳方式是使用适用于 Windows 的 Xbox 应用，可从 Microsoft Store 或以下位置下载：
在 Xbox 上创建家庭组的好处 | Xbox Support
Xbox 主页屏幕上的视觉体验可以反映每个家庭成员的个性。他们可以选择自己的颜色，选择自己的玩家代号和玩家图片，并且可以指定他们要分组以便访问的应用。
Get help with your Microsoft account - Microsoft Support
Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.
Applies To:
Microsoft account dashboard