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.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

Note: If your version is newer than those listed below, it’s because there may be a delay between when versions start rolling out and when they are updated on this page.

Notes: In previous versions of SharePoint, site templates were called site designs but will be referred to as site templates moving forward. The Site designs entry point will be replaced by the Apply a site template entry point in the Setting panel.. Site templates created by your organization and set as the default template will automatically apply when new sites are created but can be ...

Windows 11. Check your version of Windows. Ensure that both devices support Bluetooth 4.0 or higher with Low Energy (LE) support. To find out if Bluetooth LE is supported, on each PC, select the Start button, type device manager and select Device Manager from the list of results, expand Bluetooth, and then select the name of your Bluetooth radio adapter.

BlueScreen-Fehler (auch als Fehlerüberprüfungen, STOP-Codefehler, Kernelfehler oder BSOD-Fehler bezeichnet) können auftreten, wenn ein schwerwiegendes Problem dazu führt, dass Windows heruntergefahren oder unerwartet neu gestartet wird, um sich vor Datenverlust zu schützen. Möglicherweise wird eine Meldung mit der Meldung "Windows wurde heruntergefahren, um Schäden an Ihrem Computer zu ...

The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.