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Repair apps and programs in Windows - Microsoft Support
Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.
查找 Windows 产品密钥 - Microsoft 支持
如果你在 Microsoft Store 应用中购买了Windows 10或Windows 11 专业版升级,你将在发送确认购买的确认电子邮件中收到数字许可证而不是产品密钥。 该电子邮件地址 (MSA) 将包含数字许可证。 你可以使用数字许可证进行激活。
Applies To: Microsoft account dashboard
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX(产品包装盒上应标有所需的版本),游戏可能无法正常运行。
Manage cookies in Microsoft Edge: View, allow, block, delete and use ...
Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.
Applies To: Microsoft Edge
在 Windows 中卸载或删除应用和程序 - Microsoft 支持
可通过不同的方式删除应用和程序,因此如果找不到要查找的应用和程序,可以尝试另一个位置。 请注意,某些应用和程序内置于 Windows 中,无法卸载。
将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
请确保已使用你的 Microsoft 帐户登录以购买 Windows 11 专业版 确认购买后,系统将提示你安装 Windows 11 专业版并重启电脑。 然后,你将运行 Windows 11 专业版。
对 Office 使用产品密钥 - Microsoft 支持
如果要从其他渠道购买 Office,建议查看更安全购物的提示,以确保能购买到正版 Microsoft 软件。 若要在线购买产品密钥,请务必查看名为“单独购买产品密钥的注意事项”的提示。 如果在线购买的产品密钥不起作用或失效,请参阅我的 Office 产品密钥不起作用。
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
Open the Camera in Windows - Microsoft Support
How to open the Camera app in Windows. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened.. Open Camera
更改桌面背景图像 - Microsoft 支持
使用 Windows 设置应用更改桌面背景和颜色。
Insert a symbol in Word - Microsoft Support
Scroll up or down to find the symbol you want to insert. Different font sets often have different symbols in them and the most commonly used symbols are in the Segoe UI Symbol font set. Use the Font selector above the symbol list to pick the font you want to browse through.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016