If your device doesn't support BitLocker, you may be able to use Windows Device Encryption instead. To see if you can use Windows device encryption. In the search box on the taskbar, type System Information, right-click System Information in the list of results, then select ...

To open Family options, go to Start , and then select Settings > Update & Security > Windows Security > Family options . To adjust your family settings or to set up a family, select View family settings to go to the Family website on account.microsoft.com or download the new Microsoft Family Safety app .

Using a command-line switch doesn't mean you have to type the whole startup command at the command prompt. You can start the Office app as usual, by clicking the program icon on the desktop, or by clicking the program name on the Start menu. All startup methods essentially do the same thing: they run the app's .exe file, even if you don't actually type the command or even see it.

Select Start > Settings > Windows Update and, next to Get the latest updates as soon as they're available, set the toggle to On. Note: Whether you set the toggle to Off or On , you'll still get the regular security updates as usual.

Windows Update in Settings (recommended) If you’re upgrading from Windows 10, we recommend you wait until you're notified through Windows Update that the upgrade is ready for your device. To check if Windows 11 is ready for your device, select Start > Settings > Update & Security > Windows Update > Check for updates.

If Windows 11 isn’t activated on your device, see Get help with Windows activation errors for more info. If you’re not already part of the Windows Insider program and you’d like to join, select the Start button and then select Settings > System > Windows Insider Program > Get started . Join Windows Insider Program

Windows サインイン画面からセーフ モードを使う: Windows サインイン画面で、 Shift キーを押しながら [電源] > [再起動] の順に選択します。 PC が再起動したら、 [オプションの選択] 画面で、 [トラブルシューティング] > [高度なオプション] > [スタートアップ設定 ...

On the PC you’re projecting from, select Windows logo key + K and select the PC you’d like to connect to. Or you can search for Cast in the Windows Search bar, then select Connect to a wireless display. On the Display settings page, under Multiple displays, select Connect to a wireless display, then select Connect.

Windows Security, formerly known as Windows Defender Security Center, is an app built into Windows 10 or 11 that helps keep your PC more secure. It includes Microsoft Defender Antivirus, an antivirus tool that helps protect you against viruses, ransomware, and other malware. For more information, see Stay protected with Windows Security.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.