Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Open the Start menu - Microsoft Support
To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon.
Windows camera, microphone, and privacy - Microsoft Support
In Windows 11, ensure that Camera access, Let apps access your camera, and the individual toggle for the Microsoft Store app you wish to use is turned on. If you do not see the app or website you're looking for in the list, it's likely a desktop app. Desktop apps cannot be individually toggled, but access for those apps can be controlled using Let desktop apps access your camera.
Windows Windows - Microsoft
了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版,包括如何使用有效产品密钥或 Microsoft Store。
Microsoft Store doesn't open - Microsoft Support
If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.
KB4023057: Update Health ToolsWindows Update Service components
Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.
Unlock a file that has been locked for editing - Microsoft Support
The Office app is running in the background. If the file is not shared on a network or if you are certain that no one is currently editing it, then an instance of the Office app with the file open might be running in the background.
Applies To: Excel for iPad, Word for iPad, PowerPoint for iPad, Excel for iPhone, Word for iPhone, PowerPoint for iPhone, Word for Android tablets, Excel for Android tablets, PowerPoint for Android tablets, Excel for Android phones, Excel Mobile, PowerPoint for Android phones, PowerPoint Mobile, Word for Android phones, Word Mobile
Windows - Microsoft
你可以使用安装介质(U 盘或 DVD)来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质,请转到软件下载网站,你可以在这里找到分步说明。 在该网站上,你可以选择 Windows 版本,并使用 U 盘或 DVD 创建自己的安装介质。
Microsoft Edge update settings - Microsoft Support
If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.
Windows - Microsoft
注意: 如果你不在 Windows 设备上,可以通过转到“联系”Microsoft 支持部门 键入“排查 BSOD 错误”,在浏览器中运行“蓝屏疑难解答”。 然后按照“推荐的帮助”下的引导演练进行操作。
Securely browse the web in Microsoft Edge - Microsoft Support
With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.