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
How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
How to prevent and remove viruses and other malware
Restart your computer. When you see the computer's manufacturer's logo, repeatedly press the F8 key. When you are prompted, use the arrow keys to highlight Safe Mode with Networking, and then press Enter. Tip: Safe Mode starts Windows with only the minimum number of drivers and services necessary for operation.
管理游戏剪辑和屏幕截图 | Xbox Support
在 Windows 10 设备上查找和编辑游戏剪辑. 按下 Windows 徽标键 + G，然后选择“捕获” > 查看我的捕获”。. 如果要编辑游戏剪辑或屏幕截图，请选择“在文件资源管理器中打开”，然后使用所选的编辑应用来编辑捕获。. 注意 上传到 Xbox 网络的捕获只能在 Xbox 移动 ...
Repair an Office application - Microsoft Support
Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu. Select the Microsoft Office product you want to repair and select Modify. Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you have a standalone app installed, then search ...
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 Professional 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 Professional 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, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
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 ...
在 Windows 上使用 Game Bar 擷取遊戲短片和螢幕擷取畫面 | Xbox Support
在您進行遊戲時，按 Windows 鍵 + G 開啟 Game Bar。. 選擇 [小工具] 功能表 > [擷取]。. 選擇 [開始錄影]、[抓取螢幕擷取畫面] 或 [錄製最後…]。. 錄製最後一個…. 開啟背景錄影時，可將最近的遊戲過程片段變成遊戲短片。. 在 [Windows 設定] > [遊戲] > [捕捉畫面] 中設定 ...
Protect my PC from viruses - Microsoft Support
UAC can help keep viruses from making unwanted changes. To open UAC, swipe in from the right edge of the screen, and then tap Search. (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search .) Enter uac in the search box, and then tap or click Change User Account Control settings.
保护玩家免受市场盗窃和诱骗 | Xbox Support
保护玩家免受市场盗窃和诱骗. 开发人员为 Xbox 网络制作了令人惊叹的游戏和内容。. 为了保护客户和开发人员，我们提供了在 Microsoft Store 中进行购买的安全方法。. 为了维护此安全性，Xbox 会监视 Xbox 社区中的市场盗窃或诱骗情况。. 欺诈会影响所有人，并且大 ...
Account help
A collection of powerful productivity apps you can use anywhere. Organize your life, expand your creativity, and protect what’s important. Buy or try Microsoft 365. Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.