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.
Office のプロダクト キーを入力する場所 - Microsoft サポート
Office または Microsoft 365 を購入したときにプロダクト キーが付属していた場合は、使用している製品に対応する以下の Web サイトのいずれかにプロダクト キーを入力します。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
Product activation for Windows – online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.
How to perform a clean boot in Windows - Microsoft Support
How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.
Troubleshooting Wi-Fi connection on your Surface
Network adapter. Surface device used in. Intel® Wi-Fi 6 AX200, AX201, AX210, AX211. Surface Pro 7 and later generations, Surface Laptop 3 and later generations, Surface Laptop Go (all generations), Surface Laptop Studio (all generations), Surface Go 2 and later generations, Surface Book 3, Surface Studio 2+
KB4023057: Update Health Tools—Windows 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.
Internet Explorer Downloads - Microsoft Support
Microsoft Edge is the recommended browser by Microsoft. Support for Internet Explorer ended on June 15, 2022. Internet Explorer 11 has been permanently disabled through a Microsoft Edge update on certain versions of Windows 10.
Can't send or receive email in Outlook.com - Microsoft Support
Important: If your Microsoft cloud storage is full, you cannot send or receive email.Messages sent to you while your storage was full are bounced back to the sender and are unrecoverable. Check your mailbox storage to see what's taking up space. Learn more about recent changes.
Applies To: Outlook.com
Camera app shows error "0xA00F4244 NoCamerasAreAttached"
Select Close to acknowledge settings choices and go back to Device Manager.The webcam will now appear under the Cameras category in the Device Manager list.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
Microsoft 简体中文 IME - Microsoft 支持
输入法工具栏. ime 支持名为 ime 工具栏 的 ui,它提供了一种快速调用特定 ime 函数的替代方法。 ime 工具栏是从语言栏续订的 ui。 若要打开 ime 工具栏,请长按 (或右键单击) 通知区域中的 ime 模式 图标,然后选择“ 显示/隐藏 ime 工具栏”。. 键盘快捷方式