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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。
Erstellen eines Installationsmediums für Windows - Microsoft-Support
Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.
Create, edit, or delete a contact list or contact group in Outlook
You can right-click the contact group and select Delete from the menu or click the group, then select Delete from the Ribbon.. Contacts are not deleted, only the contact list.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Defragment your Windows 10 PC - Microsoft Support
Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.
Windows activity history and your privacy - Microsoft Support
Note: If you have previous activity history stored in the cloud before Windows 11 23H2 and 22H2, January 23, 2024-KB5034204 update, you can use the Clear activity history button to delete previously stored data in the cloud. Otherwise, your activity history will be automatically deleted within 30 days from when your data was last synced to the cloud
Applies To: Microsoft account dashboard
Sign-in options in Windows - Microsoft Support
Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.
Calculate the difference between two dates - Microsoft Support
This isn't the date you'll set, it's just a sample of how the format will look. Note that in versions prior to Excel 2016, this format might have a different sample date like 3/14/01 1:30 PM. 3. Subtract the two. In another cell, subtract the start date/time from the end date/time. The result will probably look like a number and decimal.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Change desktop background and colors - Microsoft Support
Select Start > Settings > Personalization.The preview window gives you a sneak peek of your changes as you make them. In Personalize your background, you can select a picture, a solid color, or a slideshow of pictures you create.Or you can choose Windows spotlight to see a new image from around the world every day.
Get Windows Media Player - Microsoft Support
Included in Windows 8.1 and Windows 8.1 Pro, but doesn't include DVD playback. Go to the DVD playback for Windows page to find out how to add DVD playback to Windows 8.1. For Windows Media Player 12 for Windows 8.1 N and KN editions, get the Media Feature Pack. Windows RT 8.1. N/A. Windows Media Player isn't available for Windows RT 8.1.
在Windows 11电脑上启用虚拟化 - Microsoft 支持
了解如何通过电脑的 UEFI (或 BIOS) 启用虚拟化,以运行适用于 Android 的 Windows 子系统或适用于 Linux 的 Windows 子系统。