要約. この更新プログラムは、実行中の PC 上の Windows Recovery Environment (WinRE) に安全な OS 動的更新プログラム を自動的に適用し、攻撃者が WinRE を使用して BitLocker 暗号化をバイパスできる可能性のあるセキュリティの脆弱性に対処します。 詳細については、「CVE-2024-20666」を参照してください。

重要: デバイスを暗号化した場合は、PC をリセットするために BitLocker キーが必要です。 BitLocker キーがわからない場合は、「BitLocker 回復キーを検索する」を参照してください。. リセット プロセス中に、画面が長時間 (場合によっては 15 分以上) 黒になる可能性があり、この期間中にデバイスが ...

Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.

Microsoft added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about Windows updates, see Get the latest Windows update.. If you have a Japanese Yahoo! email account, you'll need to do the following:

Notes: If you have existing lists of safe names and addresses, you can move that information into Outlook. Click Import from File and browse for the list file that you want. To create a file that uses your current list, click Export to File and then specify where you want the new file saved.. To change a name on the list, click the name that you want to change and then click Edit.

Learn how to connect to a projector or to another PC in Windows using the keyboard shortcut "Windows logo key + P", the Connect app (for Windows 10), or the Wireless Display app (for Windows 11).

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. 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:

To resize the image, select the image to see drag handles appear around the image. Move the drag handles to resize the image as necessary. Select the Picture Format tab on the ribbon, then use the options on it to format your image. For example, you can apply a style or a border to the image.

Hinweis: Wenn Sie die Option Windows Spotlight nicht auswählen können, hat Ihr Administrator das Feature möglicherweise deaktiviert, oder Sie haben das Update noch nicht erhalten. Dieses Feature wird über einen bestimmten Zeitraum eingeführt. Weitere Informationen finden Sie unter Wann erhalte ich die neuesten Features für Microsoft 365?.

Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).