Give your PC a Fresh Start - Microsoft Support
Give your PC a Fresh Start. Resetting your PC lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact. In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life.
Windows Update Troubleshooter - Microsoft Support
Select Start > Settings > Windows Update > Check for updates and then install any available updates. If the problems aren't all resolved, try running the troubleshooter again to check for additional errors, or see Fix Windows Update errors and follow the troubleshooting steps.
退还从 Microsoft 购买的物品以进行换货或退款 - Microsoft 支持
退还从 Microsoft 购买的物品以进行换货或退款. 如果你从 Microsoft 购买了产品，则可以请求退款、换货或退货。. 数字商品（如应用、游戏、附加内容、订阅、电影、电视节目和书籍）不可退货，除非适用于产品/服务本身的法律声明你符合退款条件。. 有关退货和 ...
Applies To:
Microsoft account dashboard
激活 Office - Microsoft 支持
要在新设备上使用 Microsoft 365，则可以将 Microsoft 365 激活为 Microsoft 365 家庭版 的 1 个月试用版。. 还可以购买 Microsoft 365、将 Microsoft 365 添加到现有 Microsoft 365 订阅，或从新的产品密钥卡中输入产品密钥。. 如果有较旧的 Microsoft 365 副本，则可以改为安装该副本 ...
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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
如何申请 Xbox 数字产品退款 | Xbox Support
若要申请退款，需要登录用于购买的 Microsoft 帐户，并提供所购买内容的名称、订单编号以及需要退款的原因。. 可以联系 aka.ms/contactxboxsupport 以获取退款申请和其他支持。. 有关 Xbox 实物产品（如光盘游戏和控制器）和其他 Microsoft 产品的详细信息，请参阅 ...
Get to know Game Bar on Windows | Xbox Support
Open Game Bar to take control of all your favorite gaming activities while playing on your Windows 10/11 device. Note To use many of the Xbox features within Game Bar, you must have the Xbox app for Windows installed and be signed in. Get the Xbox app for Windows.
Device protection in Windows Security - Microsoft Support
Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.
使用 Xbox 云游戏玩 Microsoft 外部测试版模拟器 | Xbox Support
现在，你可以在 Xbox 主机和其他用于云游戏的设备上开飞机了。. 注意 云游戏需要 Game Pass Ultimate 或受支持的免费玩游戏服务。. 云游戏可用性因区域而异，Microsoft 外部测试版模拟器可在支持云游戏的任何地方使用。. 通过云游戏，你可以在 Android 设备、Windows ...
如何激活 Visio 的永久许可证 - Microsoft 支持
使用电话激活. 如果选择 " 使用 Internet 激活 " 选项，激活向导将通过您的 Internet 连接自动与 Microsoft 授权服务器联系。. 如果您使用的是以前未使用过的有效产品密钥，则您的产品将立即激活。. 如果选择 " 使用电话激活 " 选项，请拨打 "激活向导" 中提供的电话 ...
Touch gestures for Windows - Microsoft Support
Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.