Change the email address or phone number for your Microsoft account
Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.
Applies To: Microsoft account dashboard
Windows location service and privacy - Microsoft Support
To control location for just your user account, switch the Let apps access your location setting On or Off.If "Location services is off" appears on the settings page, you won't be able to turn on the Let apps access your location setting for an individual user account.
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息,以及如何使用 Windows 的指南。
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.
Change your browser home page - Microsoft Support
On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Find all your apps and programs - Microsoft Support
Looking for a long-lost app or program? There are several ways you can find what you need. Select Start , and then scroll through the alphabetical list on the left (if your Start screen is set to show as full screen, select All apps, and then scroll through the list).
Solve PC problems over a remote connection - Microsoft Support
Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).
Windowsでドライバーを手動で更新する - Microsoft サポート
注: Windowsでドライバーの更新プログラムを取得する最も安全で安全な方法は、常にWindows Updateです。Windows Updateに問題がある場合は、Update Windowsのリンクのいずれかが最初に役立つかどうかを確認できます。
Mouse and keyboard problems in Windows - Microsoft Support
Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.