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Open Device Manager - Microsoft Support
In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Introducing Microsoft Phone Link and Link to Windows
The Link to Windows app is preinstalled on select Samsung, HONOR, Surface Duo, and OPPO devices that are running Android 9.0 or later. On such devices, you can find the Link to Windows app under the Quick Settings menu by swiping down from the top of your screen. For all other Android devices running Android 7.0 or later, download the new Link ...
Find your Wi-Fi network password in Windows - Microsoft Support
On another Windows PC or other device, connect to Wi-Fi as you normally would, and enter your Wi-Fi password when prompted. For more info about connecting to Wi-Fi, see Connect to a Wi-Fi network in Windows.
Power efficient settings in Windows 11 - Microsoft Support
You can find efficiency settings in Windows 11 at Settings > System > Power & battery . For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help. Click on each topic below to view some ideas that can improve the power ...
Windows および Mac 用の Office 2021 および Office LTSC に関する FAQ
概要. 個人のお客様は、Windows 版と Mac 版の Microsoft Office 2021 を購入できます。. また、法人のお客様は Windows 版と Mac 版の Microsoft Office LTSC を購入できます。. Office 2021 および Office LTSC 2021 は、Office の次の永続的なリリースです。. これらには、Microsoft Office 2019 ...
Applies To: Office 2021, Office 2021 for Mac
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
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Upgrade to Windows 11: FAQ - Microsoft Support
Upgrade to Windows 11: FAQ. An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11. An update ensures you have the most recent features and security improvements for your current version of Windows.
実行時エラー ' 91 ': オブジェクト変数、またはブロック変数が設定されていません。その後にエラー 59999-アプリケーション定義または ...
現象 "ランタイムエラー ' 91 ': オブジェクト変数、またはブロック変数が設定されていない" "エラー 59999-アプリケーション定義またはオブジェクト定義エラー" これらのエラーは、xml/拡張 xml へのレポートを生成するときに発生します。
Fix Wi-Fi connection issues in Windows - Microsoft Support
Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn't, select it to turn it on. Also, make sure Airplane mode is turned off.